From b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4 Mon Sep 17 00:00:00 2001 From: rsc Date: Tue, 30 Sep 2003 17:47:41 +0000 Subject: Initial revision --- src/lib9/ffork-FreeBSD.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/lib9/ffork-FreeBSD.c (limited to 'src/lib9/ffork-FreeBSD.c') diff --git a/src/lib9/ffork-FreeBSD.c b/src/lib9/ffork-FreeBSD.c new file mode 100644 index 00000000..a7c82e64 --- /dev/null +++ b/src/lib9/ffork-FreeBSD.c @@ -0,0 +1,33 @@ +#include + +extern int __isthreaded; +int +ffork(int flags, void(*fn)(void*), void *arg) +{ + void *p; + + __isthreaded = 1; + p = malloc(16384); + if(p == nil) + return -1; + memset(p, 0xFE, 16384); + return rfork_thread(RFPROC|flags, (char*)p+16000, (int(*)(void*))fn, arg); +} + +/* + * For FreeBSD libc. + */ + +typedef struct { + volatile long access_lock; + volatile long lock_owner; + volatile char *fname; + volatile int lineno; +} spinlock_t; + +void +_spinlock(spinlock_t *lk) +{ + lock((Lock*)&lk->access_lock); +} + -- cgit v1.2.3