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runtime: fix openbsd/386

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In revision 05c3fee13eb3, openbsd/386's tfork implementation was
accidentally changed in one instruction from using the "params"
parameter to using the "psize" parameter.

While here, OpenBSD's __tfork system call returns a pid_t which is an
int32 on all OpenBSD architectures, so change runtime.tfork's return
type from int64 to int32 and update the assembly implementations
accordingly.

LGTM=iant
R=rsc, iant
CC=golang-codereviews, jsing
https://golang.org/cl/133190043
This commit is contained in:
Matthew Dempsky 2014-08-28 14:23:25 -07:00 • committed by Ian Lance Taylor
parent c46bcd4d13
commit 4dbd0dbf15
4 changed files with 10 additions and 12 deletions
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2
src/pkg/runtime/os_openbsd.c
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@ -26,7 +26,7 @@ extern SigTab runtime·sigtab[];
static Sigset sigset_none;
static Sigset sigset_all = ~(Sigset)0;
extern int64 runtime·tfork(void *param, uintptr psize, M *mp, G *gp, void (*fn)(void));
extern int32 runtime·tfork(void *param, uintptr psize, M *mp, G *gp, void (*fn)(void));
extern int32 runtime·thrsleep(void *ident, int32 clock_id, void *tsp, void *lock, const int32 *abort);
extern int32 runtime·thrwakeup(void *ident, int32 n);