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| author | julian <julian@FreeBSD.org> | 1996-01-22 00:02:33 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 1996-01-22 00:02:33 +0000 |
| commit | 619b731f5bb5e09dcf1eaf1fbd96383ca64398fd (patch) | |
| tree | a89c7f50ec371cef4418259b9dccdd31ebb2f61f /lib/libc/i386/sys/Ovfork.S | |
| parent | 663b14fb2f3198fb0bfb62ae16b6b56c2a4dd055 (diff) | |
| download | FreeBSD-src-619b731f5bb5e09dcf1eaf1fbd96383ca64398fd.zip FreeBSD-src-619b731f5bb5e09dcf1eaf1fbd96383ca64398fd.tar.gz | |
Reviewed by: julian and (hsu?)
Submitted by: John Birrel(L?)
changes for threadsafe operations
Diffstat (limited to 'lib/libc/i386/sys/Ovfork.S')
| -rw-r--r-- | lib/libc/i386/sys/Ovfork.S | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/lib/libc/i386/sys/Ovfork.S b/lib/libc/i386/sys/Ovfork.S index 06e3eb6..341b75c 100644 --- a/lib/libc/i386/sys/Ovfork.S +++ b/lib/libc/i386/sys/Ovfork.S @@ -33,12 +33,12 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: Ovfork.S,v 1.1 1994/08/05 01:18:38 wollman Exp $ + * $Id: Ovfork.S,v 1.2 1995/01/23 01:29:37 davidg Exp $ */ #if defined(SYSLIBC_RCS) && !defined(lint) .text - .asciz "$Id$" + .asciz "$Id: Ovfork.S,v 1.2 1995/01/23 01:29:37 davidg Exp $" #endif /* SYSLIBC_RCS and not lint */ #include "SYS.h" @@ -63,7 +63,28 @@ vforkok: cmpl $0,%edx /* child process? */ jne child /* yes */ jmp parent -.globl _errno +#ifdef _THREAD_SAFE + /* + * Threaded version using __error(). + */ + .globl ___error + .type ___error,@function +verror: + pushl %eax +#ifdef PIC + call PIC_PLT(___error) +#else + call ___error +#endif + popl %ecx + movl %ecx,(%eax) + movl $-1,%eax + movl $-1,%edx +#else /* !_THREAD_SAFE */ + /* + * Non-threaded version using global errno. + */ + .globl _errno verror: #ifdef PIC PIC_PROLOGUE @@ -74,6 +95,7 @@ verror: movl %eax,_errno #endif movl $-1,%eax +#endif /* !_THREAD_SAFE */ jmp %ecx child: movl $0,%eax |
