diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-osinfo.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/dl-osinfo.h | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-osinfo.h b/sysdeps/unix/sysv/linux/dl-osinfo.h index 7fc0259ae4..a29d255f50 100644 --- a/sysdeps/unix/sysv/linux/dl-osinfo.h +++ b/sysdeps/unix/sysv/linux/dl-osinfo.h @@ -18,6 +18,7 @@ Boston, MA 02111-1307, USA. */ #include <sys/sysctl.h> +#include <sys/utsname.h> #include "kernel-features.h" #ifndef MIN @@ -61,16 +62,25 @@ dl_fatal (const char *str) sizeof (sysctl_args) / sizeof (sysctl_args[0]), \ buf, &reslen, NULL, 0) < 0) \ { \ - /* This was not successful. Now try reading the /proc \ - filesystem. */ \ - int fd = __open ("/proc/sys/kernel/osrelease", O_RDONLY); \ - if (fd == -1 \ - || (reslen = __read (fd, buf, sizeof (buf))) <= 0) \ - /* This also didn't work. We give up since we cannot \ - make sure the library can actually work. */ \ - FATAL ("FATAL: cannot determine library version\n"); \ - \ - __close (fd); \ + /* This didn't work. Next try the uname syscall */ \ + struct utsname uts; \ + if (__uname (&uts)) \ + { \ + /* This was not successful. Now try reading the /proc \ + filesystem. */ \ + int fd = __open ("/proc/sys/kernel/osrelease", O_RDONLY); \ + if (fd == -1 \ + || (reslen = __read (fd, buf, sizeof (buf))) <= 0) \ + /* This also didn't work. We give up since we cannot \ + make sure the library can actually work. */ \ + FATAL ("FATAL: cannot determine library version\n"); \ + __close (fd); \ + } \ + else \ + { \ + strncpy (buf, uts.release, sizeof (buf)); \ + reslen = strlen (uts.release); \ + } \ } \ buf[MIN (reslen, sizeof (buf) - 1)] = '\0'; \ \ |