util: use waitid() instead of waitpid() everywhere to avoid confusion due to SIGSTOP

[elogind.git] / src / kmod-setup.c

diff --git a/src/kmod-setup.c b/src/kmod-setup.c
index fa856c9a6ccc6ceb4447958a85bb2444a2ebe24a..44d843db12ad0774a580019853ae31a3e961940c 100644 (file)
--- a/src/kmod-setup.c
+++ b/src/kmod-setup.c
@@ -1,4 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
 /***
   This file is part of systemd.
@@ -31,7 +31,8 @@
 
 static const char * const kmod_table[] = {
         "autofs4", "/sys/class/misc/autofs",
-        "ipv6",    "/sys/module/ipv6"
+        "ipv6",    "/sys/module/ipv6",
+        "unix",    "/proc/net/unix"
 };
 
 int kmod_setup(void) {
@@ -40,16 +41,17 @@ int kmod_setup(void) {
         ExecCommand command;
         ExecContext context;
         pid_t pid;
-        int status, r;
+        int r;
+        siginfo_t status;
 
         for (i = 0; i < ELEMENTSOF(kmod_table); i += 2) {
 
                 if (access(kmod_table[i+1], F_OK) >= 0)
                         continue;
 
-                log_info("Your kernel apparently lacks built-in %s support. Please fix that. "
-                         "We'll now try to work around this by calling '/sbin/modprobe %s'...",
-                         kmod_table[i], kmod_table[i]);
+                log_debug("Your kernel apparently lacks built-in %s support. Might be a good idea to compile it in. "
+                          "We'll now try to work around this by calling '/sbin/modprobe %s'...",
+                          kmod_table[i], kmod_table[i]);
 
                 cmdline[3 + n++] = kmod_table[i];
         }
@@ -69,36 +71,28 @@ int kmod_setup(void) {
         command.argv = (char**) cmdline;
 
         exec_context_init(&context);
-        r = exec_spawn(&command, NULL, &context, NULL, 0, NULL, false, false, false, NULL, &pid);
+        r = exec_spawn(&command, NULL, &context, NULL, 0, NULL, false, false, false, false, NULL, &pid);
         exec_context_done(&context);
 
         if (r < 0)
                 return r;
 
-        for (;;) {
-                if (waitpid(pid, &status, 0) < 0) {
+        if ((r = wait_for_terminate(pid, &status)) < 0)
+                return -errno;
 
-                        if (errno == EINTR)
-                                continue;
-
-                        return -errno;
-                }
-
-                break;
-        }
-
-        if (WIFEXITED(status)) {
-                if (WEXITSTATUS(status) != 0) {
-                        log_warning("/sbin/modprobe failed with error code %i.", WEXITSTATUS(status));
+        if (status.si_code == CLD_EXITED) {
+                if (status.si_status != 0) {
+                        log_warning("/sbin/modprobe failed with error code %i.", status.si_status);
                         return -EPROTO;
                 }
 
                 log_debug("/sbin/modprobe succeeded.");
                 return 0;
-        }
 
-        if (WIFSIGNALED(status)) {
-                log_warning("/sbin/modprobe terminated by signal %s.", strsignal(WTERMSIG(status)));
+        } else if (status.si_code == CLD_KILLED ||
+                   status.si_code == CLD_DUMPED) {
+
+                log_warning("/sbin/modprobe terminated by signal %s.", signal_to_string(status.si_status));
                 return -EPROTO;
         }