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| author | rsc <devnull@localhost> | 2003-09-30 17:47:41 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2003-09-30 17:47:41 +0000 |
| commit | b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4 (patch) | |
| tree | f382987fec33cf639d75b1fe1b5d76b8f155d074 /src/lib9/ffork-FreeBSD.c | |
| parent | 5f7d5e8d1899f41b0e5366c0251530ea1dc753d0 (diff) | |
| download | plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.tar.gz plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.tar.bz2 plan9port-b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4.zip | |
Initial revision
Diffstat (limited to 'src/lib9/ffork-FreeBSD.c')
| -rw-r--r-- | src/lib9/ffork-FreeBSD.c | 33 |
1 files changed, 33 insertions, 0 deletions
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 <lib9.h> + +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); +} + |