diff options
Diffstat (limited to 'tools/perf/builtin-stat.c')
| -rw-r--r-- | tools/perf/builtin-stat.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 80855090fd9f..6404906924fa 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c | |||
| @@ -296,8 +296,20 @@ static int do_perf_stat(int argc, const char **argv) | |||
| 296 | return 0; | 296 | return 0; |
| 297 | } | 297 | } |
| 298 | 298 | ||
| 299 | static volatile int signr = -1; | ||
| 300 | |||
| 299 | static void skip_signal(int signo) | 301 | static void skip_signal(int signo) |
| 300 | { | 302 | { |
| 303 | signr = signo; | ||
| 304 | } | ||
| 305 | |||
| 306 | static void sig_atexit(void) | ||
| 307 | { | ||
| 308 | if (signr == -1) | ||
| 309 | return; | ||
| 310 | |||
| 311 | signal(signr, SIG_DFL); | ||
| 312 | kill(getpid(), signr); | ||
| 301 | } | 313 | } |
| 302 | 314 | ||
| 303 | static const char * const stat_usage[] = { | 315 | static const char * const stat_usage[] = { |
| @@ -345,6 +357,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix) | |||
| 345 | * What we want is for Ctrl-C to work in the exec()-ed | 357 | * What we want is for Ctrl-C to work in the exec()-ed |
| 346 | * task, but being ignored by perf stat itself: | 358 | * task, but being ignored by perf stat itself: |
| 347 | */ | 359 | */ |
| 360 | atexit(sig_atexit); | ||
| 348 | signal(SIGINT, skip_signal); | 361 | signal(SIGINT, skip_signal); |
| 349 | signal(SIGALRM, skip_signal); | 362 | signal(SIGALRM, skip_signal); |
| 350 | signal(SIGABRT, skip_signal); | 363 | signal(SIGABRT, skip_signal); |
