mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-21 21:23:06 +00:00
38 lines
911 B
Diff
38 lines
911 B
Diff
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 \
|