summaryrefslogtreecommitdiff
path: root/proc.c
diff options
context:
space:
mode:
Diffstat (limited to 'proc.c')
-rw-r--r--proc.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/proc.c b/proc.c
index 672f00d..b0c577c 100644
--- a/proc.c
+++ b/proc.c
@@ -1,5 +1,6 @@
#define _GNU_SOURCE
#include <sched.h>
+#include <sys/wait.h>
#include <sys/types.h>
#include <sys/resource.h>
#include <unistd.h>
@@ -79,3 +80,29 @@ ssize_t proc_get_cmdline(unsigned int pid, char *cmdline, size_t len)
return ret;
}
+
+int proc_exec(const char *proc, char *const argv[])
+{
+ int status;
+ pid_t pid;
+
+ pid = fork();
+ if (pid < 0) {
+ perror("fork");
+ return -1;
+ } else if (pid == 0) {
+ if (execvp(proc, argv) < 0)
+ fprintf(stderr, "Failed to exec: %s\n", proc);
+ _exit(1);
+ }
+
+ if (waitpid(pid, &status, 0) < 0) {
+ perror("waitpid");
+ return -2;
+ }
+
+ if (!WIFEXITED(status))
+ return -WEXITSTATUS(status);
+
+ return 0;
+}