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Revert "runtime/cgo: use pthread_attr_get_np on Illumos"

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This reverts CL 481795.

Reason for revert: CL 481061 causes C TSAN failures and must be
reverted. See CL 485275. This CL depends on CL 481061.

For #59678.

Change-Id: I5ec1f495154205ebdf19cd44c6e6452a7a3606f0
Reviewed-on: https://go-review.googlesource.com/c/go/+/485315
Auto-Submit: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
This commit is contained in:
Michael Pratt 2023-04-17 14:06:10 -04:00 committed by Gopher Robot
parent f8162a0e72
commit 0e9b2bc39a
1 changed files with 1 additions and 8 deletions
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9
src/runtime/cgo/gcc_stack_unix.c
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@ -18,16 +18,9 @@ x_cgo_getstackbound(G *g)
void *addr;
size_t size;
#if defined(__GLIBC__) || (defined(__sun) && !defined(__illumos__))
// pthread_getattr_np is a GNU extension supported in glibc.
// Solaris is not glibc but does support pthread_getattr_np
// (and the fallback doesn't work...). Illumos does not.
#if defined(__GLIBC__) || defined(__sun)
pthread_getattr_np(pthread_self(), &attr); // GNU extension
pthread_attr_getstack(&attr, &addr, &size); // low address
#elif defined(__illumos__)
pthread_attr_init(&attr);
pthread_attr_get_np(pthread_self(), &attr);
pthread_attr_getstack(&attr, &addr, &size); // low address
#else
pthread_attr_init(&attr);
pthread_attr_getstacksize(&attr, &size);