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runsvdir: alternative methon of supporting runsvdir-as-init. +66 bytes.

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*: s/int/pid_t where appropriate
This commit is contained in:
Denis Vlasenko
2008-11-06 22:39:57 +00:00
parent 70e8f49f71
commit 3854c5ddf4
6 changed files with 46 additions and 33 deletions
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8
include/libbb.h
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@ -743,7 +743,7 @@ int bb_execvp(const char *file, char *const argv[]) FAST_FUNC;
pid_t spawn(char **argv) FAST_FUNC;
pid_t xspawn(char **argv) FAST_FUNC;
int safe_waitpid(int pid, int *wstat, int options) FAST_FUNC;
pid_t safe_waitpid(pid_t pid, int *wstat, int options) FAST_FUNC;
/* Unlike waitpid, waits ONLY for one process.
* It's safe to pass negative 'pids' from failed [v]fork -
* wait4pid will return -1 (and will not clobber [v]fork's errno).
@ -751,14 +751,14 @@ int safe_waitpid(int pid, int *wstat, int options) FAST_FUNC;
* if (rc < 0) bb_perror_msg("%s", argv[0]);
* if (rc > 0) bb_error_msg("exit code: %d", rc);
*/
int wait4pid(int pid) FAST_FUNC;
int wait_any_nohang(int *wstat) FAST_FUNC;
int wait4pid(pid_t pid) FAST_FUNC;
pid_t wait_any_nohang(int *wstat) FAST_FUNC;
#define wait_crashed(w) ((w) & 127)
#define wait_exitcode(w) ((w) >> 8)
#define wait_stopsig(w) ((w) >> 8)
#define wait_stopped(w) (((w) & 127) == 127)
/* wait4pid(spawn(argv)) + NOFORK/NOEXEC (if configured) */
int spawn_and_wait(char **argv) FAST_FUNC;
pid_t spawn_and_wait(char **argv) FAST_FUNC;
struct nofork_save_area {
jmp_buf die_jmp;
const char *applet_name;