systemd: reorganize source files
This is a direct dump from systemd git.
======
SYSTEMD_DIR=../systemd
COMMIT=8eab766804ef4fa21d26c00fd0baab3f1a47bb5c
(
cd "$SYSTEMD_DIR"
git checkout "$COMMIT"
git reset --hard
git clean -fdx
)
git ls-files -z :/src/systemd/src/ \
:/shared/systemd/src/ \
:/shared/nm-utils/unaligned.h | \
xargs -0 rm -f
nm_copy_sd_shared() {
mkdir -p "./shared/systemd/$(dirname "$1")"
cp "$SYSTEMD_DIR/$1" "./shared/systemd/$1"
}
nm_copy_sd_core() {
mkdir -p "./src/systemd/$(dirname "$1")"
cp "$SYSTEMD_DIR/$1" "./src/systemd/$1"
}
nm_copy_sd_nmutils() {
mkdir -p "./shared/nm-utils/"
cp "$SYSTEMD_DIR/$1" "./shared/nm-utils/${1##*/}"
}
nm_copy_sd_core "src/libsystemd-network/arp-util.c"
nm_copy_sd_core "src/libsystemd-network/arp-util.h"
nm_copy_sd_core "src/libsystemd-network/dhcp-identifier.c"
nm_copy_sd_core "src/libsystemd-network/dhcp-identifier.h"
nm_copy_sd_core "src/libsystemd-network/dhcp-internal.h"
nm_copy_sd_core "src/libsystemd-network/dhcp-lease-internal.h"
nm_copy_sd_core "src/libsystemd-network/dhcp-network.c"
nm_copy_sd_core "src/libsystemd-network/dhcp-option.c"
nm_copy_sd_core "src/libsystemd-network/dhcp-packet.c"
nm_copy_sd_core "src/libsystemd-network/dhcp-protocol.h"
nm_copy_sd_core "src/libsystemd-network/dhcp6-internal.h"
nm_copy_sd_core "src/libsystemd-network/dhcp6-lease-internal.h"
nm_copy_sd_core "src/libsystemd-network/dhcp6-network.c"
nm_copy_sd_core "src/libsystemd-network/dhcp6-option.c"
nm_copy_sd_core "src/libsystemd-network/dhcp6-protocol.h"
nm_copy_sd_core "src/libsystemd-network/lldp-internal.h"
nm_copy_sd_core "src/libsystemd-network/lldp-neighbor.c"
nm_copy_sd_core "src/libsystemd-network/lldp-neighbor.h"
nm_copy_sd_core "src/libsystemd-network/lldp-network.c"
nm_copy_sd_core "src/libsystemd-network/lldp-network.h"
nm_copy_sd_core "src/libsystemd-network/network-internal.c"
nm_copy_sd_core "src/libsystemd-network/network-internal.h"
nm_copy_sd_core "src/libsystemd-network/sd-dhcp-client.c"
nm_copy_sd_core "src/libsystemd-network/sd-dhcp-lease.c"
nm_copy_sd_core "src/libsystemd-network/sd-dhcp6-client.c"
nm_copy_sd_core "src/libsystemd-network/sd-dhcp6-lease.c"
nm_copy_sd_core "src/libsystemd-network/sd-ipv4acd.c"
nm_copy_sd_core "src/libsystemd-network/sd-ipv4ll.c"
nm_copy_sd_core "src/libsystemd-network/sd-lldp.c"
nm_copy_sd_core "src/libsystemd/sd-event/event-source.h"
nm_copy_sd_core "src/libsystemd/sd-event/event-util.c"
nm_copy_sd_core "src/libsystemd/sd-event/event-util.h"
nm_copy_sd_core "src/libsystemd/sd-event/sd-event.c"
nm_copy_sd_core "src/libsystemd/sd-id128/id128-util.c"
nm_copy_sd_core "src/libsystemd/sd-id128/id128-util.h"
nm_copy_sd_core "src/libsystemd/sd-id128/sd-id128.c"
nm_copy_sd_core "src/shared/dns-domain.c"
nm_copy_sd_core "src/shared/dns-domain.h"
nm_copy_sd_core "src/systemd/_sd-common.h"
nm_copy_sd_core "src/systemd/sd-dhcp-client.h"
nm_copy_sd_core "src/systemd/sd-dhcp-lease.h"
nm_copy_sd_core "src/systemd/sd-dhcp6-client.h"
nm_copy_sd_core "src/systemd/sd-dhcp6-lease.h"
nm_copy_sd_core "src/systemd/sd-event.h"
nm_copy_sd_core "src/systemd/sd-id128.h"
nm_copy_sd_core "src/systemd/sd-ipv4acd.h"
nm_copy_sd_core "src/systemd/sd-ipv4ll.h"
nm_copy_sd_core "src/systemd/sd-lldp.h"
nm_copy_sd_core "src/systemd/sd-ndisc.h"
nm_copy_sd_nmutils "src/basic/unaligned.h"
nm_copy_sd_shared "src/basic/alloc-util.c"
nm_copy_sd_shared "src/basic/alloc-util.h"
nm_copy_sd_shared "src/basic/async.h"
nm_copy_sd_shared "src/basic/env-file.c"
nm_copy_sd_shared "src/basic/env-file.h"
nm_copy_sd_shared "src/basic/env-util.c"
nm_copy_sd_shared "src/basic/env-util.h"
nm_copy_sd_shared "src/basic/escape.c"
nm_copy_sd_shared "src/basic/escape.h"
nm_copy_sd_shared "src/basic/ether-addr-util.c"
nm_copy_sd_shared "src/basic/ether-addr-util.h"
nm_copy_sd_shared "src/basic/extract-word.c"
nm_copy_sd_shared "src/basic/extract-word.h"
nm_copy_sd_shared "src/basic/fd-util.c"
nm_copy_sd_shared "src/basic/fd-util.h"
nm_copy_sd_shared "src/basic/fileio.c"
nm_copy_sd_shared "src/basic/fileio.h"
nm_copy_sd_shared "src/basic/fs-util.c"
nm_copy_sd_shared "src/basic/fs-util.h"
nm_copy_sd_shared "src/basic/hash-funcs.c"
nm_copy_sd_shared "src/basic/hash-funcs.h"
nm_copy_sd_shared "src/basic/hashmap.c"
nm_copy_sd_shared "src/basic/hashmap.h"
nm_copy_sd_shared "src/basic/hexdecoct.c"
nm_copy_sd_shared "src/basic/hexdecoct.h"
nm_copy_sd_shared "src/basic/hostname-util.c"
nm_copy_sd_shared "src/basic/hostname-util.h"
nm_copy_sd_shared "src/basic/in-addr-util.c"
nm_copy_sd_shared "src/basic/in-addr-util.h"
nm_copy_sd_shared "src/basic/io-util.c"
nm_copy_sd_shared "src/basic/io-util.h"
nm_copy_sd_shared "src/basic/list.h"
nm_copy_sd_shared "src/basic/log.h"
nm_copy_sd_shared "src/basic/macro.h"
nm_copy_sd_shared "src/basic/mempool.c"
nm_copy_sd_shared "src/basic/mempool.h"
nm_copy_sd_shared "src/basic/missing_type.h"
nm_copy_sd_shared "src/basic/parse-util.c"
nm_copy_sd_shared "src/basic/parse-util.h"
nm_copy_sd_shared "src/basic/path-util.c"
nm_copy_sd_shared "src/basic/path-util.h"
nm_copy_sd_shared "src/basic/prioq.c"
nm_copy_sd_shared "src/basic/prioq.h"
nm_copy_sd_shared "src/basic/process-util.c"
nm_copy_sd_shared "src/basic/process-util.h"
nm_copy_sd_shared "src/basic/random-util.c"
nm_copy_sd_shared "src/basic/random-util.h"
nm_copy_sd_shared "src/basic/refcnt.h"
nm_copy_sd_shared "src/basic/set.h"
nm_copy_sd_shared "src/basic/signal-util.h"
nm_copy_sd_shared "src/basic/siphash24.h"
nm_copy_sd_shared "src/basic/socket-util.c"
nm_copy_sd_shared "src/basic/socket-util.h"
nm_copy_sd_shared "src/basic/sparse-endian.h"
nm_copy_sd_shared "src/basic/stat-util.c"
nm_copy_sd_shared "src/basic/stat-util.h"
nm_copy_sd_shared "src/basic/stdio-util.h"
nm_copy_sd_shared "src/basic/string-table.c"
nm_copy_sd_shared "src/basic/string-table.h"
nm_copy_sd_shared "src/basic/string-util.c"
nm_copy_sd_shared "src/basic/string-util.h"
nm_copy_sd_shared "src/basic/strv.c"
nm_copy_sd_shared "src/basic/strv.h"
nm_copy_sd_shared "src/basic/time-util.c"
nm_copy_sd_shared "src/basic/time-util.h"
nm_copy_sd_shared "src/basic/tmpfile-util.c"
nm_copy_sd_shared "src/basic/tmpfile-util.h"
nm_copy_sd_shared "src/basic/umask-util.h"
nm_copy_sd_shared "src/basic/utf8.c"
nm_copy_sd_shared "src/basic/utf8.h"
nm_copy_sd_shared "src/basic/util.c"
nm_copy_sd_shared "src/basic/util.h"
This commit is contained in:
Thomas Haller
194
shared/systemd/src/basic/process-util.h
Normal file
194
shared/systemd/src/basic/process-util.h
Normal file
@@ -0,0 +1,194 @@
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/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include <alloca.h>
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#include <errno.h>
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#include <sched.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/resource.h>
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#include <sys/types.h>
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#include "format-util.h"
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#include "ioprio.h"
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#include "macro.h"
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#include "time-util.h"
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#define procfs_file_alloca(pid, field) \
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({ \
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pid_t _pid_ = (pid); \
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const char *_r_; \
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if (_pid_ == 0) { \
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_r_ = ("/proc/self/" field); \
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} else { \
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_r_ = alloca(STRLEN("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \
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sprintf((char*) _r_, "/proc/"PID_FMT"/" field, _pid_); \
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} \
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_r_; \
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})
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int get_process_state(pid_t pid);
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int get_process_comm(pid_t pid, char **name);
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int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line);
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int get_process_exe(pid_t pid, char **name);
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int get_process_uid(pid_t pid, uid_t *uid);
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int get_process_gid(pid_t pid, gid_t *gid);
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int get_process_capeff(pid_t pid, char **capeff);
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int get_process_cwd(pid_t pid, char **cwd);
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int get_process_root(pid_t pid, char **root);
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int get_process_environ(pid_t pid, char **environ);
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int get_process_ppid(pid_t pid, pid_t *ppid);
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int wait_for_terminate(pid_t pid, siginfo_t *status);
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typedef enum WaitFlags {
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WAIT_LOG_ABNORMAL = 1 << 0,
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WAIT_LOG_NON_ZERO_EXIT_STATUS = 1 << 1,
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/* A shortcut for requesting the most complete logging */
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WAIT_LOG = WAIT_LOG_ABNORMAL|WAIT_LOG_NON_ZERO_EXIT_STATUS,
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} WaitFlags;
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int wait_for_terminate_and_check(const char *name, pid_t pid, WaitFlags flags);
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int wait_for_terminate_with_timeout(pid_t pid, usec_t timeout);
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void sigkill_wait(pid_t pid);
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void sigkill_waitp(pid_t *pid);
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void sigterm_wait(pid_t pid);
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int kill_and_sigcont(pid_t pid, int sig);
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int rename_process(const char name[]);
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int is_kernel_thread(pid_t pid);
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int getenv_for_pid(pid_t pid, const char *field, char **_value);
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bool pid_is_alive(pid_t pid);
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bool pid_is_unwaited(pid_t pid);
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int pid_from_same_root_fs(pid_t pid);
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bool is_main_thread(void);
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_noreturn_ void freeze(void);
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bool oom_score_adjust_is_valid(int oa);
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#ifndef PERSONALITY_INVALID
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/* personality(7) documents that 0xffffffffUL is used for querying the
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* current personality, hence let's use that here as error
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* indicator. */
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#define PERSONALITY_INVALID 0xffffffffLU
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#endif
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unsigned long personality_from_string(const char *p);
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const char *personality_to_string(unsigned long);
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int safe_personality(unsigned long p);
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int opinionated_personality(unsigned long *ret);
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int ioprio_class_to_string_alloc(int i, char **s);
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int ioprio_class_from_string(const char *s);
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const char *sigchld_code_to_string(int i) _const_;
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int sigchld_code_from_string(const char *s) _pure_;
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int sched_policy_to_string_alloc(int i, char **s);
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int sched_policy_from_string(const char *s);
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static inline pid_t PTR_TO_PID(const void *p) {
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return (pid_t) ((uintptr_t) p);
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}
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static inline void* PID_TO_PTR(pid_t pid) {
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return (void*) ((uintptr_t) pid);
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}
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void valgrind_summary_hack(void);
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int pid_compare_func(const pid_t *a, const pid_t *b);
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static inline bool nice_is_valid(int n) {
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return n >= PRIO_MIN && n < PRIO_MAX;
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}
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static inline bool sched_policy_is_valid(int i) {
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return IN_SET(i, SCHED_OTHER, SCHED_BATCH, SCHED_IDLE, SCHED_FIFO, SCHED_RR);
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}
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static inline bool sched_priority_is_valid(int i) {
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return i >= 0 && i <= sched_get_priority_max(SCHED_RR);
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}
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static inline bool ioprio_class_is_valid(int i) {
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return IN_SET(i, IOPRIO_CLASS_NONE, IOPRIO_CLASS_RT, IOPRIO_CLASS_BE, IOPRIO_CLASS_IDLE);
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}
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static inline bool ioprio_priority_is_valid(int i) {
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return i >= 0 && i < IOPRIO_BE_NR;
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}
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static inline bool pid_is_valid(pid_t p) {
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return p > 0;
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}
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int ioprio_parse_priority(const char *s, int *ret);
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pid_t getpid_cached(void);
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void reset_cached_pid(void);
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int must_be_root(void);
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typedef enum ForkFlags {
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FORK_RESET_SIGNALS = 1 << 0, /* Reset all signal handlers and signal mask */
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FORK_CLOSE_ALL_FDS = 1 << 1, /* Close all open file descriptors in the child, except for 0,1,2 */
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FORK_DEATHSIG = 1 << 2, /* Set PR_DEATHSIG in the child */
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FORK_NULL_STDIO = 1 << 3, /* Connect 0,1,2 to /dev/null */
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FORK_REOPEN_LOG = 1 << 4, /* Reopen log connection */
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FORK_LOG = 1 << 5, /* Log above LOG_DEBUG log level about failures */
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FORK_WAIT = 1 << 6, /* Wait until child exited */
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FORK_NEW_MOUNTNS = 1 << 7, /* Run child in its own mount namespace */
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FORK_MOUNTNS_SLAVE = 1 << 8, /* Make child's mount namespace MS_SLAVE */
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FORK_RLIMIT_NOFILE_SAFE = 1 << 9, /* Set RLIMIT_NOFILE soft limit to 1K for select() compat */
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} ForkFlags;
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int safe_fork_full(const char *name, const int except_fds[], size_t n_except_fds, ForkFlags flags, pid_t *ret_pid);
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static inline int safe_fork(const char *name, ForkFlags flags, pid_t *ret_pid) {
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return safe_fork_full(name, NULL, 0, flags, ret_pid);
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}
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int namespace_fork(const char *outer_name, const char *inner_name, const int except_fds[], size_t n_except_fds, ForkFlags flags, int pidns_fd, int mntns_fd, int netns_fd, int userns_fd, int root_fd, pid_t *ret_pid);
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int fork_agent(const char *name, const int except[], size_t n_except, pid_t *pid, const char *path, ...) _sentinel_;
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int set_oom_score_adjust(int value);
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#if SIZEOF_PID_T == 4
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/* The highest possibly (theoretic) pid_t value on this architecture. */
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#define PID_T_MAX ((pid_t) INT32_MAX)
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/* The maximum number of concurrent processes Linux allows on this architecture, as well as the highest valid PID value
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* the kernel will potentially assign. This reflects a value compiled into the kernel (PID_MAX_LIMIT), and sets the
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* upper boundary on what may be written to the /proc/sys/kernel/pid_max sysctl (but do note that the sysctl is off by
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* 1, since PID 0 can never exist and there can hence only be one process less than the limit would suggest). Since
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* these values are documented in proc(5) we feel quite confident that they are stable enough for the near future at
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* least to define them here too. */
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#define TASKS_MAX 4194303U
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#elif SIZEOF_PID_T == 2
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#define PID_T_MAX ((pid_t) INT16_MAX)
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#define TASKS_MAX 32767U
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#else
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#error "Unknown pid_t size"
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#endif
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assert_cc(TASKS_MAX <= (unsigned long) PID_T_MAX)
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/* Like TAKE_PTR() but for child PIDs, resetting them to 0 */
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#define TAKE_PID(pid) \
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({ \
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pid_t _pid_ = (pid); \
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(pid) = 0; \
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_pid_; \
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})
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