diff options
Diffstat (limited to 'runit')
| -rw-r--r-- | runit/runsv.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/runit/runsv.c b/runit/runsv.c index 0da03e6..2ab034a 100644 --- a/runit/runsv.c +++ b/runit/runsv.c @@ -256,15 +256,16 @@ static unsigned custom(struct svdir *s, char c) if (s->islog) return 0; strcpy(a, "control/?"); - a[8] = c; + a[8] = c; /* replace '?' */ if (stat(a, &st) == 0) { if (st.st_mode & S_IXUSR) { - pid = fork(); + pid = vfork(); if (pid == -1) { - warn_cannot("fork for control/?"); + warn_cannot("vfork for control/?"); return 0; } if (!pid) { + /* child */ if (haslog && dup2(logpipe.wr, 1) == -1) warn_cannot("setup stdout for control/?"); prog[0] = a; @@ -272,6 +273,7 @@ static unsigned custom(struct svdir *s, char c) execv(a, prog); fatal_cannot("run control/?"); } + /* parent */ while (safe_waitpid(pid, &w, 0) == -1) { warn_cannot("wait for child control/?"); return 0; @@ -318,8 +320,8 @@ static void startservice(struct svdir *s) if (s->pid != 0) stopservice(s); /* should never happen */ - while ((p = fork()) == -1) { - warn_cannot("fork, sleeping"); + while ((p = vfork()) == -1) { + warn_cannot("vfork, sleeping"); sleep(5); } if (p == 0) { @@ -344,6 +346,7 @@ static void startservice(struct svdir *s) execvp(*run, run); fatal2_cannot(s->islog ? "start log/" : "start ", *run); } + /* parent */ if (s->state != S_FINISH) { gettimeofday_ns(&s->start); s->state = S_RUN; |