Martchus
/
mdadm
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

mdmon: don't fork if DEBUG

This commit is contained in:
Dan Williams 2008-07-24 17:26:24 -07:00
parent f54e6321a2
commit 16ddab0daf
1 changed files with 32 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
mdmon.c
View File

@ -169,6 +169,19 @@ static void wake_me(int sig)
} }
/* if we are debugging and starting mdmon by hand then don't fork */
static int do_fork(void)
{
#ifdef DEBUG
if (env_no_mdmon())
return 0;
#endif
return 1;
}
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
int mdfd; int mdfd;
@ -196,23 +209,26 @@ int main(int argc, char *argv[])
} }
/* Fork, and have the child tell us when they are ready */ /* Fork, and have the child tell us when they are ready */
pipe(pfd); if (do_fork()) {
switch(fork()){ pipe(pfd);
case -1: switch(fork()) {
fprintf(stderr, "mdmon: failed to fork: %s\n", case -1:
strerror(errno)); fprintf(stderr, "mdmon: failed to fork: %s\n",
exit(1); strerror(errno));
case 0: /* child */ exit(1);
close(pfd[0]); case 0: /* child */
break; close(pfd[0]);
default: /* parent */ break;
close(pfd[1]); default: /* parent */
if (read(pfd[0], &status, sizeof(status)) != sizeof(status)) { close(pfd[1]);
wait(&status); if (read(pfd[0], &status, sizeof(status)) != sizeof(status)) {
status = WEXITSTATUS(status); wait(&status);
status = WEXITSTATUS(status);
}
exit(status);
} }
exit(status); } else
} pfd[0] = pfd[1] = -1;
/* hopefully it is a container - we'll check later */ /* hopefully it is a container - we'll check later */
container = malloc(sizeof(*container)); container = malloc(sizeof(*container));