diff options
Diffstat (limited to 'src/core/main.c')
-rw-r--r-- | src/core/main.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/src/core/main.c b/src/core/main.c index 77980e3929..300567a922 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -142,7 +142,7 @@ noreturn static void crash(int sig) { /* We want to wait for the core process, hence let's enable SIGCHLD */ sigaction(SIGCHLD, &sa, NULL); - pid = fork(); + pid = raw_clone(SIGCHLD, NULL); if (pid < 0) log_emergency_errno(errno, "Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig)); @@ -163,11 +163,11 @@ noreturn static void crash(int sig) { chdir("/"); /* Raise the signal again */ - raise(sig); + pid = raw_getpid(); + kill(pid, sig); /* raise() would kill the parent */ assert_not_reached("We shouldn't be here..."); _exit(1); - } else { siginfo_t status; int r; @@ -177,7 +177,13 @@ noreturn static void crash(int sig) { if (r < 0) log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig)); else if (status.si_code != CLD_DUMPED) - log_emergency("Caught <%s>, core dump failed.", signal_to_string(sig)); + log_emergency("Caught <%s>, core dump failed (child "PID_FMT", code=%s, status=%i/%s).", + signal_to_string(sig), + pid, sigchld_code_to_string(status.si_code), + status.si_status, + strna(status.si_code == CLD_EXITED + ? exit_status_to_string(status.si_status, EXIT_STATUS_FULL) + : signal_to_string(status.si_status))); else log_emergency("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid); } @@ -199,18 +205,17 @@ noreturn static void crash(int sig) { /* Let the kernel reap children for us */ assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); - pid = fork(); + pid = raw_clone(SIGCHLD, NULL); if (pid < 0) log_emergency_errno(errno, "Failed to fork off crash shell: %m"); else if (pid == 0) { make_console_stdio(); - execl("/bin/sh", "/bin/sh", NULL); + execle("/bin/sh", "/bin/sh", NULL, environ); - log_emergency_errno(errno, "execl() failed: %m"); + log_emergency_errno(errno, "execle() failed: %m"); _exit(1); - } - - log_info("Successfully spawned crash shell as pid "PID_FMT".", pid); + } else + log_info("Successfully spawned crash shell as PID "PID_FMT".", pid); } log_emergency("Freezing execution."); |