mirror
/
go
mirror of https://github.com/golang/go.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

misc/cgo/test: fix sigaltstack test on AIX 

Increase the size of the signal stack as the value given by SIGSTKSZ
is too small for the Go signal handler.

Fixes #37609

Change-Id: I56f1006bc69a2a9fb43f9e0da00061964290a690
Reviewed-on: https://go-review.googlesource.com/c/go/+/221804
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
This commit is contained in:
Clément Chigot 2020-03-03 16:24:32 +01:00 committed by Ian Lance Taylor
parent cd9fd640db
commit cec08794ef
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
misc/cgo/test/sigaltstack.go
View File

@ -14,15 +14,22 @@ package cgotest
#include <stdlib.h>
#include <string.h>
#ifdef _AIX
// On AIX, SIGSTKSZ is too small to handle Go sighandler.
#define CSIGSTKSZ 0x4000
#else
#define CSIGSTKSZ SIGSTKSZ
#endif
static stack_t oss;
static char signalStack[SIGSTKSZ];
static char signalStack[CSIGSTKSZ];
static void changeSignalStack(void) {
stack_t ss;
memset(&ss, 0, sizeof ss);
ss.ss_sp = signalStack;
ss.ss_flags = 0;
ss.ss_size = SIGSTKSZ;
ss.ss_size = CSIGSTKSZ;
if (sigaltstack(&ss, &oss) < 0) {
perror("sigaltstack");
abort();