qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-21 20:04:44 -07:00
Code Releases Activity

darwin: bsdthread_create can fail; print good error

Browse Source 
Fixes #549.

R=adg
CC=golang-dev
https://golang.org/cl/1019042
This commit is contained in:
Russ Cox 2010-04-28 19:36:42 -07:00
parent 7c77e450cc
commit 718da3339a
4 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/pkg/runtime/darwin/386/sys.s
View File

@ -130,8 +130,10 @@ TEXT bsdthread_create(SB),7,$32
MOVL BX, 16(SP) // pthread
MOVL $0x1000000, 20(SP) // flags = PTHREAD_START_CUSTOM
INT $0x80
JAE 2(PC)
CALL notok(SB)
JAE 3(PC)
MOVL $-1, AX
RET
MOVL $0, AX
RET
// The thread that bsdthread_create creates starts executing here,

6
src/pkg/runtime/darwin/amd64/sys.s
View File

@ -116,8 +116,10 @@ TEXT bsdthread_create(SB),7,$0
MOVQ $0, R9 // paranoia
MOVQ $(0x2000000+360), AX // bsdthread_create
SYSCALL
JCC 2(PC)
CALL notok(SB)
JCC 3(PC)
MOVL $-1, AX
RET
MOVL $0, AX
RET
// The thread that bsdthread_create creates starts executing here,

2
src/pkg/runtime/darwin/os.h
View File

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
void bsdthread_create(void*, M*, G*, void(*)(void));
int32 bsdthread_create(void*, M*, G*, void(*)(void));
void bsdthread_register(void);
int32 mach_msg_trap(MachHeader*, int32, uint32, uint32, uint32, uint32, uint32);
uint32 mach_reply_port(void);

3
src/pkg/runtime/darwin/thread.c
View File

@ -157,7 +157,8 @@ newosproc(M *m, G *g, void *stk, void (*fn)(void))
printf("newosproc stk=%p m=%p g=%p fn=%p id=%d/%d ostk=%p\n",
stk, m, g, fn, m->id, m->tls[0], &m);
}
bsdthread_create(stk, m, g, fn);
if(bsdthread_create(stk, m, g, fn) < 0)
throw("cannot create new OS thread");
}
// Called to initialize a new m (including the bootstrap m).