diff options
Diffstat (limited to 'sysdeps/posix')
-rw-r--r-- | sysdeps/posix/libc_fatal.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/sysdeps/posix/libc_fatal.c b/sysdeps/posix/libc_fatal.c index 2ee0010b8d..270238495d 100644 --- a/sysdeps/posix/libc_fatal.c +++ b/sysdeps/posix/libc_fatal.c @@ -54,7 +54,7 @@ struct str_list /* Abort with an error message. */ void -__libc_message (enum __libc_message_action action, const char *fmt, ...) +__libc_message (const char *fmt, ...) { va_list ap; int fd = -1; @@ -123,36 +123,31 @@ __libc_message (enum __libc_message_action action, const char *fmt, ...) WRITEV_FOR_FATAL (fd, iov, nlist, total); - if ((action & do_abort)) + total = (total + 1 + GLRO(dl_pagesize) - 1) & ~(GLRO(dl_pagesize) - 1); + struct abort_msg_s *buf = __mmap (NULL, total, + PROT_READ | PROT_WRITE, + MAP_ANON | MAP_PRIVATE, -1, 0); + if (__glibc_likely (buf != MAP_FAILED)) { - total = ((total + 1 + GLRO(dl_pagesize) - 1) - & ~(GLRO(dl_pagesize) - 1)); - struct abort_msg_s *buf = __mmap (NULL, total, - PROT_READ | PROT_WRITE, - MAP_ANON | MAP_PRIVATE, -1, 0); - if (__glibc_likely (buf != MAP_FAILED)) - { - buf->size = total; - char *wp = buf->msg; - for (int cnt = 0; cnt < nlist; ++cnt) - wp = mempcpy (wp, iov[cnt].iov_base, iov[cnt].iov_len); - *wp = '\0'; - - /* We have to free the old buffer since the application might - catch the SIGABRT signal. */ - struct abort_msg_s *old = atomic_exchange_acq (&__abort_msg, - buf); - if (old != NULL) - __munmap (old, old->size); - } + buf->size = total; + char *wp = buf->msg; + for (int cnt = 0; cnt < nlist; ++cnt) + wp = mempcpy (wp, iov[cnt].iov_base, iov[cnt].iov_len); + *wp = '\0'; + + /* We have to free the old buffer since the application might + catch the SIGABRT signal. */ + struct abort_msg_s *old = atomic_exchange_acq (&__abort_msg, + buf); + if (old != NULL) + __munmap (old, old->size); } } va_end (ap); - if ((action & do_abort)) - /* Kill the application. */ - abort (); + /* Kill the application. */ + abort (); } @@ -161,6 +156,6 @@ __libc_fatal (const char *message) { /* The loop is added only to keep gcc happy. */ while (1) - __libc_message (do_abort, "%s", message); + __libc_message ("%s", message); } libc_hidden_def (__libc_fatal) |