diff options
Diffstat (limited to 'gmon')
| -rw-r--r-- | gmon/gmon.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/gmon/gmon.c b/gmon/gmon.c index c3e7c51..0087e8c 100644 --- a/gmon/gmon.c +++ b/gmon/gmon.c @@ -310,16 +310,29 @@ static void write_gmon (void) { struct gmon_hdr ghdr __attribute__ ((aligned (__alignof__ (int)))); - int fd; + int fd = -1; + char *env; - fd = __open ("gmon.out", O_CREAT|O_TRUNC|O_WRONLY, 0666); - if (fd < 0) + env = getenv ("GMON_OUT_PREFIX"); + if (env != NULL && !__libc_enable_secure) { - char buf[300]; - int errnum = errno; - fprintf (stderr, "_mcleanup: gmon.out: %s\n", - _strerror_internal (errnum, buf, sizeof buf)); - return; + size_t len = strlen (env); + char buf[len + 20]; + sprintf (buf, "%s.%u", env, __getpid ()); + fd = __open (buf, O_CREAT|O_TRUNC|O_WRONLY, 0666); + } + + if (fd == -1) + { + fd = __open ("gmon.out", O_CREAT|O_TRUNC|O_WRONLY, 0666); + if (fd < 0) + { + char buf[300]; + int errnum = errno; + fprintf (stderr, "_mcleanup: gmon.out: %s\n", + _strerror_internal (errnum, buf, sizeof buf)); + return; + } } /* write gmon.out header: */ |