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Add patch to enable SIGBUS capture

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Kernels older than 3.18.6 emit SIGBUS signal upon stackoverflow instead of SIGSEGV. This patch enables the capture of SIGBUS (just as it is done on Darwin).

Applying it fixes https://github.com/NixOS/nixpkgs/issues/6028 and https://github.com/NixOS/nixpkgs/issues/28464#issuecomment-324255704
This commit is contained in:
Gaël Donval 2017-08-24 15:34:23 +01:00 committed by GitHub
parent f54018cee8
commit 3eca1c5500
1 changed files with 8 additions and 0 deletions
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8
pkgs/development/libraries/libsigsegv/sigbus_fix.patch Normal file
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@ -0,0 +1,8 @@
--- a/src/signals.h 2017-08-23 14:07:05.000000000 +0100
+++ b/src/signals.h 2017-08-23 14:06:53.000000000 +0100
@@ -18,4 +18,4 @@
/* List of signals that are sent when an invalid virtual memory address
is accessed, or when the stack overflows. */
#define SIGSEGV_FOR_ALL_SIGNALS(var,body) \
- { int var; var = SIGSEGV; { body } }
+ { int var; var = SIGSEGV; { body } var = SIGBUS; { body } }