From 07a7300100521124402cf88b70da03e9ad9a7402 Mon Sep 17 00:00:00 2001 From: yan cui Date: Tue, 7 Jun 2016 00:47:47 +0000 Subject: [PATCH] add PTHREAD_STACK_MIN --- lib/libc/gen/sysconf.c | 3 ++- lib/libpthread/pthread.h | 2 ++ lib/libpthread/pthread_attr.c | 2 +- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/libc/gen/sysconf.c b/lib/libc/gen/sysconf.c index b416238..6be2a24 100644 --- a/lib/libc/gen/sysconf.c +++ b/lib/libc/gen/sysconf.c @@ -53,6 +53,7 @@ __RCSID("$NetBSD: sysconf.c,v 1.37 2016/02/26 17:13:01 christos Exp $"); #include #include #include +#include #ifdef __weak_alias __weak_alias(sysconf,__sysconf) @@ -399,7 +400,7 @@ yesno: if (sysctl(mib, mib_len, &value, &len, NULL, 0) == -1) case _SC_THREAD_KEYS_MAX: return _POSIX_THREAD_KEYS_MAX; case _SC_THREAD_STACK_MIN: - return _getpagesize(); + return PTHREAD_STACK_MIN; case _SC_THREAD_THREADS_MAX: if (sysctlgetmibinfo("kern.maxproc", &mib[0], &mib_len, NULL, NULL, NULL, SYSCTL_VERSION)) /* XXX */ diff --git a/lib/libpthread/pthread.h b/lib/libpthread/pthread.h index 6d0c74f..6e0e1a2 100644 --- a/lib/libpthread/pthread.h +++ b/lib/libpthread/pthread.h @@ -38,6 +38,7 @@ #include #include +#include __BEGIN_DECLS int pthread_atfork(void (*)(void), void (*)(void), void (*)(void)); @@ -240,6 +241,7 @@ __END_DECLS #define PTHREAD_CANCEL_DISABLE 1 #define PTHREAD_BARRIER_SERIAL_THREAD 1234567 +#define PTHREAD_STACK_MIN MINSIGSTKSZ /* * POSIX 1003.1-2001, section 2.5.9.3: "The symbolic constant diff --git a/lib/libpthread/pthread_attr.c b/lib/libpthread/pthread_attr.c index d0b861e..005a17a 100644 --- a/lib/libpthread/pthread_attr.c +++ b/lib/libpthread/pthread_attr.c @@ -361,7 +361,7 @@ pthread_attr_setstacksize(pthread_attr_t *attr, size_t size) { struct pthread_attr_private *p; - if (size < (size_t)sysconf(_SC_THREAD_STACK_MIN)) + if (size < (size_t)PTHREAD_STACK_MIN) return EINVAL; p = pthread__attr_init_private(attr); -- 2.6.4