summaryrefslogtreecommitdiff
path: root/run-command.c
diff options
context:
space:
mode:
Diffstat (limited to 'run-command.c')
-rw-r--r--run-command.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/run-command.c b/run-command.c
index c8029f2..e17e456 100644
--- a/run-command.c
+++ b/run-command.c
@@ -18,26 +18,27 @@ struct child_to_clean {
static struct child_to_clean *children_to_clean;
static int installed_child_cleanup_handler;
-static void cleanup_children(int sig)
+static void cleanup_children(int sig, int in_signal)
{
while (children_to_clean) {
struct child_to_clean *p = children_to_clean;
children_to_clean = p->next;
kill(p->pid, sig);
- free(p);
+ if (!in_signal)
+ free(p);
}
}
static void cleanup_children_on_signal(int sig)
{
- cleanup_children(sig);
+ cleanup_children(sig, 1);
sigchain_pop(sig);
raise(sig);
}
static void cleanup_children_on_exit(void)
{
- cleanup_children(SIGTERM);
+ cleanup_children(SIGTERM, 0);
}
static void mark_child_for_cleanup(pid_t pid)
@@ -220,7 +221,7 @@ static inline void set_cloexec(int fd)
fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
}
-static int wait_or_whine(pid_t pid, const char *argv0)
+static int wait_or_whine(pid_t pid, const char *argv0, int in_signal)
{
int status, code = -1;
pid_t waiting;
@@ -228,6 +229,8 @@ static int wait_or_whine(pid_t pid, const char *argv0)
while ((waiting = waitpid(pid, &status, 0)) < 0 && errno == EINTR)
; /* nothing */
+ if (in_signal)
+ return 0;
if (waiting < 0) {
failed_errno = errno;
@@ -437,7 +440,7 @@ fail_pipe:
* At this point we know that fork() succeeded, but execvp()
* failed. Errors have been reported to our stderr.
*/
- wait_or_whine(cmd->pid, cmd->argv[0]);
+ wait_or_whine(cmd->pid, cmd->argv[0], 0);
failed_errno = errno;
cmd->pid = -1;
}
@@ -536,12 +539,18 @@ fail_pipe:
int finish_command(struct child_process *cmd)
{
- int ret = wait_or_whine(cmd->pid, cmd->argv[0]);
+ int ret = wait_or_whine(cmd->pid, cmd->argv[0], 0);
argv_array_clear(&cmd->args);
argv_array_clear(&cmd->env_array);
return ret;
}
+int finish_command_in_signal(struct child_process *cmd)
+{
+ return wait_or_whine(cmd->pid, cmd->argv[0], 1);
+}
+
+
int run_command(struct child_process *cmd)
{
int code;
@@ -786,7 +795,7 @@ error:
int finish_async(struct async *async)
{
#ifdef NO_PTHREADS
- return wait_or_whine(async->pid, "child process");
+ return wait_or_whine(async->pid, "child process", 0);
#else
void *ret = (void *)(intptr_t)(-1);