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author | Laurent Bercot <ska-skaware@skarnet.org> | 2021-03-19 14:01:25 +0000 |
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committer | Laurent Bercot <ska-skaware@skarnet.org> | 2021-03-19 14:01:25 +0000 |
commit | f5aa016d77fbff5d856f0c495118a3b57b0ad2f9 (patch) | |
tree | 03101c6431775f4c1b6d7b8b7030372d90fa63bb | |
parent | e79bcd1505f1f11fe87ff706a038223f76e97326 (diff) | |
download | s6-linux-init-f5aa016d77fbff5d856f0c495118a3b57b0ad2f9.tar.xz |
shutdownd: unsupervise even when rename() fails
-rw-r--r-- | .gitignore | 1 | ||||
-rw-r--r-- | src/shutdown/s6-linux-init-shutdownd.c | 15 |
2 files changed, 8 insertions, 8 deletions
@@ -14,3 +14,4 @@ /s6-linux-init-echo /s6-linux-init-umountall /s6-linux-init-maker +/s6-linux-init-nuke diff --git a/src/shutdown/s6-linux-init-shutdownd.c b/src/shutdown/s6-linux-init-shutdownd.c index 76e1540..16e0780 100644 --- a/src/shutdown/s6-linux-init-shutdownd.c +++ b/src/shutdown/s6-linux-init-shutdownd.c @@ -71,7 +71,7 @@ static int mkrenametemp (int fd, char const *src, char *dst) return mkfiletemp(dst, &renametemp, 0700, &at) ; } -static inline void run_stage3 (char const *basedir, char const *const *envp) +static inline void run_stage3 (char const *basedir) { pid_t pid ; size_t basedirlen = strlen(basedir) ; @@ -79,7 +79,7 @@ static inline void run_stage3 (char const *basedir, char const *const *envp) char const *stage3_argv[2] = { stage3, 0 } ; memcpy(stage3, basedir, basedirlen) ; memcpy(stage3 + basedirlen, "/scripts/" STAGE3, sizeof("/scripts/" STAGE3)) ; - pid = child_spawn0(stage3_argv[0], stage3_argv, envp) ; + pid = child_spawn0(stage3_argv[0], stage3_argv, (char const *const *)environ) ; if (pid) { int wstat ; @@ -244,8 +244,7 @@ static inline void unsupervise_tree (void) unlinkat(fdd, d->d_name, 0) ; /* if it still fails, too bad, it will restart in stage 4 and race */ } - else - s6_svc_writectl(fn, S6_SUPERVISE_CTLDIR, "dx", 2) ; + s6_svc_writectl(fn, S6_SUPERVISE_CTLDIR, "dx", 2) ; } } if (errno) @@ -253,7 +252,7 @@ static inline void unsupervise_tree (void) dir_close(dir) ; } -int main (int argc, char const *const *argv, char const *const *envp) +int main (int argc, char const *const *argv) { unsigned int grace_time = 3000 ; tain_t deadline ; @@ -296,13 +295,13 @@ int main (int argc, char const *const *argv, char const *const *envp) fd[1] = fcntl(2, F_DUPFD_CLOEXEC, 0) ; if (fd[1] < 0) strerr_diefu2sys(111, "dup std", "err") ; restore_console() ; - execve(stage4_argv[0], (char **)stage4_argv, (char *const *)envp) ; + execv(stage4_argv[0], (char **)stage4_argv) ; e = errno ; if (fd_move2(1, fd[0], 2, fd[1]) < 0) strerr_warnwu1sys("restore fds") ; errno = e ; } else - execve(stage4_argv[0], (char **)stage4_argv, (char *const *)envp) ; + execv(stage4_argv[0], (char **)stage4_argv) ; if (errno != ENOENT) strerr_warnwu2sys("exec ", stage4_argv[0]) ; } @@ -326,7 +325,7 @@ int main (int argc, char const *const *argv, char const *const *envp) if (r == -1) strerr_diefu1sys(111, "iopause") ; if (!r) { - run_stage3(basedir, envp) ; + run_stage3(basedir) ; tain_now_g() ; if (what != 'S') break ; tain_add_g(&deadline, &tain_infinite_relative) ; |