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