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Put this back the way it was. I misunderstood what vodz was doing.

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This commit is contained in:
Eric Andersen 2003-05-27 20:45:59 +00:00
parent 82ab3d7c3e
commit d130973f34
1 changed files with 17 additions and 23 deletions
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40
libbb/run_parts.c
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@ -83,37 +83,31 @@ extern int run_parts(char **args, const unsigned char test_mode)
if (test_mode & 1) { if (test_mode & 1) {
puts(filename); puts(filename);
} else { } else {
pid_t pid, wpid; /* exec_errno is common vfork variable */
volatile int exec_errno = 0;
int result; int result;
int pid;
if ((pid = vfork()) < 0) { if ((pid = vfork()) < 0) {
bb_perror_msg_and_die("failed to fork"); bb_perror_msg_and_die("failed to fork");
} else if (pid==0) { } else if (!pid) {
args[0] = filename;
execv(filename, args); execv(filename, args);
exec_errno = errno;
_exit(1); _exit(1);
} }
/* Wait for the child process to exit. Since we use vfork waitpid(pid, &result, 0);
* we shouldn't actually have to do any waiting... */ if(exec_errno) {
wpid = wait(&result); errno = exec_errno;
while (wpid > 0) { bb_perror_msg_and_die("failed to exec %s", filename);
/* Find out who died, make sure it is the right process */ }
if (pid == wpid) { if (WIFEXITED(result) && WEXITSTATUS(result)) {
if (WIFEXITED(result) && WEXITSTATUS(result)) { bb_perror_msg("%s exited with return code %d", filename, WEXITSTATUS(result));
bb_perror_msg("%s exited with return code %d", filename, WEXITSTATUS(result)); exitstatus = 1;
exitstatus = 1; } else if (WIFSIGNALED(result)) {
} else if (WIFSIGNALED(result) && WIFSIGNALED(result)) { bb_perror_msg("%s exited because of uncaught signal %d", filename, WTERMSIG(result));
int sig; exitstatus = 1;
sig = WTERMSIG(result);
bb_perror_msg("%s exited because of uncaught signal %d (%s)",
filename, sig, u_signal_names(0, &sig, 1));
exitstatus = 1;
}
break;
} else {
/* Just in case some _other_ random child process exits */
wpid = wait(&result);
}
} }
} }
} }