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mirror of https://github.com/systemd/systemd.git synced 2024-10-28 11:55:44 +03:00

process-util: move a couple of process-related calls over

This commit is contained in:
Lennart Poettering 2015-10-27 14:24:58 +01:00
parent 5fd9b2c546
commit 7b3e062cb6
13 changed files with 158 additions and 145 deletions

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@ -20,10 +20,12 @@
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <sched.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <sys/personality.h>
#include <sys/prctl.h>
#include <sys/types.h>
#include <sys/wait.h>
@ -34,9 +36,11 @@
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "ioprio.h"
#include "log.h"
#include "process-util.h"
#include "signal-util.h"
#include "string-table.h"
#include "string-util.h"
#include "user-util.h"
#include "util.h"
@ -633,3 +637,120 @@ bool is_main_thread(void) {
return cached > 0;
}
noreturn void freeze(void) {
/* Make sure nobody waits for us on a socket anymore */
close_all_fds(NULL, 0);
sync();
for (;;)
pause();
}
bool oom_score_adjust_is_valid(int oa) {
return oa >= OOM_SCORE_ADJ_MIN && oa <= OOM_SCORE_ADJ_MAX;
}
unsigned long personality_from_string(const char *p) {
/* Parse a personality specifier. We introduce our own
* identifiers that indicate specific ABIs, rather than just
* hints regarding the register size, since we want to keep
* things open for multiple locally supported ABIs for the
* same register size. We try to reuse the ABI identifiers
* used by libseccomp. */
#if defined(__x86_64__)
if (streq(p, "x86"))
return PER_LINUX32;
if (streq(p, "x86-64"))
return PER_LINUX;
#elif defined(__i386__)
if (streq(p, "x86"))
return PER_LINUX;
#elif defined(__s390x__)
if (streq(p, "s390"))
return PER_LINUX32;
if (streq(p, "s390x"))
return PER_LINUX;
#elif defined(__s390__)
if (streq(p, "s390"))
return PER_LINUX;
#endif
return PERSONALITY_INVALID;
}
const char* personality_to_string(unsigned long p) {
#if defined(__x86_64__)
if (p == PER_LINUX32)
return "x86";
if (p == PER_LINUX)
return "x86-64";
#elif defined(__i386__)
if (p == PER_LINUX)
return "x86";
#elif defined(__s390x__)
if (p == PER_LINUX)
return "s390x";
if (p == PER_LINUX32)
return "s390";
#elif defined(__s390__)
if (p == PER_LINUX)
return "s390";
#endif
return NULL;
}
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",
[IOPRIO_CLASS_BE] = "best-effort",
[IOPRIO_CLASS_IDLE] = "idle"
};
DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(ioprio_class, int, INT_MAX);
static const char *const sigchld_code_table[] = {
[CLD_EXITED] = "exited",
[CLD_KILLED] = "killed",
[CLD_DUMPED] = "dumped",
[CLD_TRAPPED] = "trapped",
[CLD_STOPPED] = "stopped",
[CLD_CONTINUED] = "continued",
};
DEFINE_STRING_TABLE_LOOKUP(sigchld_code, int);
static const char* const sched_policy_table[] = {
[SCHED_OTHER] = "other",
[SCHED_BATCH] = "batch",
[SCHED_IDLE] = "idle",
[SCHED_FIFO] = "fifo",
[SCHED_RR] = "rr"
};
DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(sched_policy, int, INT_MAX);

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@ -27,6 +27,7 @@
#include <signal.h>
#include "formats-util.h"
#include "macro.h"
#define procfs_file_alloca(pid, field) \
({ \
@ -71,5 +72,28 @@ bool pid_is_unwaited(pid_t pid);
bool is_main_thread(void);
noreturn void freeze(void);
bool oom_score_adjust_is_valid(int oa);
#ifndef PERSONALITY_INVALID
/* personality(7) documents that 0xffffffffUL is used for querying the
* current personality, hence let's use that here as error
* indicator. */
#define PERSONALITY_INVALID 0xffffffffLU
#endif
unsigned long personality_from_string(const char *p);
const char *personality_to_string(unsigned long);
int ioprio_class_to_string_alloc(int i, char **s);
int ioprio_class_from_string(const char *s);
const char *sigchld_code_to_string(int i) _const_;
int sigchld_code_from_string(const char *s) _pure_;
int sched_policy_to_string_alloc(int i, char **s);
int sched_policy_from_string(const char *s);
#define PTR_TO_PID(p) ((pid_t) ((uintptr_t) p))
#define PID_TO_PTR(p) ((void*) ((uintptr_t) p))

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@ -125,17 +125,6 @@ size_t page_size(void) {
return pgsz;
}
noreturn void freeze(void) {
/* Make sure nobody waits for us on a socket anymore */
close_all_fds(NULL, 0);
sync();
for (;;)
pause();
}
static int do_execute(char **directories, usec_t timeout, char *argv[]) {
_cleanup_hashmap_free_free_ Hashmap *pids = NULL;
_cleanup_set_free_free_ Set *seen = NULL;
@ -374,36 +363,6 @@ int block_get_whole_disk(dev_t d, dev_t *ret) {
return -ENOENT;
}
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",
[IOPRIO_CLASS_BE] = "best-effort",
[IOPRIO_CLASS_IDLE] = "idle"
};
DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(ioprio_class, int, INT_MAX);
static const char *const sigchld_code_table[] = {
[CLD_EXITED] = "exited",
[CLD_KILLED] = "killed",
[CLD_DUMPED] = "dumped",
[CLD_TRAPPED] = "trapped",
[CLD_STOPPED] = "stopped",
[CLD_CONTINUED] = "continued",
};
DEFINE_STRING_TABLE_LOOKUP(sigchld_code, int);
static const char* const sched_policy_table[] = {
[SCHED_OTHER] = "other",
[SCHED_BATCH] = "batch",
[SCHED_IDLE] = "idle",
[SCHED_FIFO] = "fifo",
[SCHED_RR] = "rr"
};
DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(sched_policy, int, INT_MAX);
bool kexec_loaded(void) {
bool loaded = false;
char *s;
@ -849,78 +808,6 @@ int namespace_enter(int pidns_fd, int mntns_fd, int netns_fd, int userns_fd, int
return reset_uid_gid();
}
unsigned long personality_from_string(const char *p) {
/* Parse a personality specifier. We introduce our own
* identifiers that indicate specific ABIs, rather than just
* hints regarding the register size, since we want to keep
* things open for multiple locally supported ABIs for the
* same register size. We try to reuse the ABI identifiers
* used by libseccomp. */
#if defined(__x86_64__)
if (streq(p, "x86"))
return PER_LINUX32;
if (streq(p, "x86-64"))
return PER_LINUX;
#elif defined(__i386__)
if (streq(p, "x86"))
return PER_LINUX;
#elif defined(__s390x__)
if (streq(p, "s390"))
return PER_LINUX32;
if (streq(p, "s390x"))
return PER_LINUX;
#elif defined(__s390__)
if (streq(p, "s390"))
return PER_LINUX;
#endif
return PERSONALITY_INVALID;
}
const char* personality_to_string(unsigned long p) {
#if defined(__x86_64__)
if (p == PER_LINUX32)
return "x86";
if (p == PER_LINUX)
return "x86-64";
#elif defined(__i386__)
if (p == PER_LINUX)
return "x86";
#elif defined(__s390x__)
if (p == PER_LINUX)
return "s390x";
if (p == PER_LINUX32)
return "s390";
#elif defined(__s390__)
if (p == PER_LINUX)
return "s390";
#endif
return NULL;
}
uint64_t physical_memory(void) {
long mem;
@ -978,7 +865,3 @@ bool fdname_is_valid(const char *s) {
return p - s < 256;
}
bool oom_score_adjust_is_valid(int oa) {
return oa >= OOM_SCORE_ADJ_MIN && oa <= OOM_SCORE_ADJ_MAX;
}

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@ -66,8 +66,6 @@ static inline const char* one_zero(bool b) {
return b ? "1" : "0";
}
noreturn void freeze(void);
void execute_directories(const char* const* directories, usec_t timeout, char *argv[]);
bool plymouth_running(void);
@ -83,15 +81,6 @@ int block_get_whole_disk(dev_t d, dev_t *ret);
#define NULSTR_FOREACH_PAIR(i, j, l) \
for ((i) = (l), (j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i))
int ioprio_class_to_string_alloc(int i, char **s);
int ioprio_class_from_string(const char *s);
const char *sigchld_code_to_string(int i) _const_;
int sigchld_code_from_string(const char *s) _pure_;
int sched_policy_to_string_alloc(int i, char **s);
int sched_policy_from_string(const char *s);
extern int saved_argc;
extern char **saved_argv;
@ -188,16 +177,6 @@ int container_get_leader(const char *machine, pid_t *pid);
int namespace_open(pid_t pid, int *pidns_fd, int *mntns_fd, int *netns_fd, int *userns_fd, int *root_fd);
int namespace_enter(int pidns_fd, int mntns_fd, int netns_fd, int userns_fd, int root_fd);
#ifndef PERSONALITY_INVALID
/* personality(7) documents that 0xffffffffUL is used for querying the
* current personality, hence let's use that here as error
* indicator. */
#define PERSONALITY_INVALID 0xffffffffLU
#endif
unsigned long personality_from_string(const char *p);
const char *personality_to_string(unsigned long);
uint64_t physical_memory(void);
int update_reboot_param_file(const char *param);
@ -217,5 +196,3 @@ union inotify_event_buffer {
int version(void);
bool fdname_is_valid(const char *s);
bool oom_score_adjust_is_valid(int oa);

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@ -32,6 +32,7 @@
#include "formats-util.h"
#include "kdbus.h"
#include "parse-util.h"
#include "process-util.h"
#include "service.h"
#include "signal-util.h"
#include "special.h"

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@ -39,6 +39,7 @@
#include "namespace.h"
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
#include "rlimit-util.h"
#ifdef HAVE_SECCOMP
#include "seccomp-util.h"

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@ -52,6 +52,7 @@
#include "missing.h"
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
#ifdef HAVE_SECCOMP
#include "seccomp-util.h"
#endif

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@ -40,6 +40,7 @@
#include "mount.h"
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
#include "smack-util.h"
#include "special.h"
#include "string-table.h"

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@ -46,6 +46,7 @@
#include "mkdir.h"
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
#include "selinux-util.h"
#include "signal-util.h"
#include "smack-util.h"

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@ -35,6 +35,7 @@
#include "fstab-util.h"
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
#include "special.h"
#include "string-table.h"
#include "string-util.h"

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@ -20,12 +20,12 @@
***/
#include "alloc-util.h"
#include "util.h"
#include "conf-parser.h"
#include "strv.h"
#include "cap-list.h"
#include "conf-parser.h"
#include "nspawn-settings.h"
#include "process-util.h"
#include "strv.h"
#include "util.h"
int settings_load(FILE *f, const char *path, Settings **ret) {
_cleanup_(settings_freep) Settings *s = NULL;

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@ -41,6 +41,7 @@
#include "parse-util.h"
#include "path-util.h"
#include "proc-cmdline.h"
#include "process-util.h"
#include "rlimit-util.h"
#include "set.h"
#include "signal-util.h"

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@ -35,12 +35,13 @@
#include "macro.h"
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
#include "signal-util.h"
#include "string-util.h"
#include "strv.h"
#include "syslog-util.h"
#include "utf8.h"
#include "util.h"
#include "syslog-util.h"
int config_item_table_lookup(
const void *table,