| 2013-05-22 Magnus Granberg <zorry@gentoo.org> |
| |
| #457194 |
| * src/closuer.c (emutramp_enabled_check): Check with /proc. |
| |
| --- a/src/closures.c 2013-03-17 23:27:11.000000000 +0100 |
| +++ b/src/closures.c 2013-04-29 23:26:02.279022022 +0200 |
| @@ -181,10 +181,26 @@ static int emutramp_enabled = -1; |
| static int |
| emutramp_enabled_check (void) |
| { |
| - if (getenv ("FFI_DISABLE_EMUTRAMP") == NULL) |
| - return 1; |
| - else |
| + char *buf = NULL; |
| + size_t len = 0; |
| + FILE *f; |
| + int ret; |
| + f = fopen ("/proc/self/status", "r"); |
| + if (f == NULL) |
| return 0; |
| + ret = 0; |
| + |
| + while (getline (&buf, &len, f) != -1) |
| + if (!strncmp (buf, "PaX:", 4)) |
| + { |
| + char emutramp; |
| + if (sscanf (buf, "%*s %*c%c", &emutramp) == 1) |
| + ret = (emutramp == 'E'); |
| + break; |
| + } |
| + free (buf); |
| + fclose (f); |
| + return ret; |
| } |
| |
| #define is_emutramp_enabled() (emutramp_enabled >= 0 ? emutramp_enabled \ |
