diff options
Diffstat (limited to 'src/basic/process-util.c')
| -rw-r--r-- | src/basic/process-util.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/basic/process-util.c b/src/basic/process-util.c index 4cc54a51fb..189ef9ab60 100644 --- a/src/basic/process-util.c +++ b/src/basic/process-util.c @@ -33,6 +33,9 @@ #include <sys/wait.h> #include <syslog.h> #include <unistd.h> +#ifdef HAVE_VALGRIND_VALGRIND_H +#include <valgrind/valgrind.h> +#endif #include "alloc-util.h" #include "escape.h" @@ -45,6 +48,7 @@ #include "missing.h" #include "process-util.h" #include "signal-util.h" +#include "stat-util.h" #include "string-table.h" #include "string-util.h" #include "user-util.h" @@ -634,6 +638,17 @@ bool pid_is_alive(pid_t pid) { return true; } +int pid_from_same_root_fs(pid_t pid) { + const char *root; + + if (pid < 0) + return 0; + + root = procfs_file_alloca(pid, "root"); + + return files_same(root, "/proc/1/root"); +} + bool is_main_thread(void) { static thread_local int cached = 0; @@ -730,6 +745,23 @@ const char* personality_to_string(unsigned long p) { return NULL; } +void valgrind_summary_hack(void) { +#ifdef HAVE_VALGRIND_VALGRIND_H + if (getpid() == 1 && RUNNING_ON_VALGRIND) { + pid_t pid; + pid = raw_clone(SIGCHLD, NULL); + if (pid < 0) + log_emergency_errno(errno, "Failed to fork off valgrind helper: %m"); + else if (pid == 0) + exit(EXIT_SUCCESS); + else { + log_info("Spawned valgrind helper as PID "PID_FMT".", pid); + (void) wait_for_terminate(pid, NULL); + } + } +#endif +} + static const char *const ioprio_class_table[] = { [IOPRIO_CLASS_NONE] = "none", [IOPRIO_CLASS_RT] = "realtime", |