commit - 9e863cf5617925a7f7e855207e56f94fc72a662e
commit + c71af67adc9946fe2a560259f5e79174dfa07e8d
blob - 526b2a944d654393cdad08b674a79e17b252ec74
blob + 896ca52854c12b313907c949124949f81dbbe7da
--- src/lib9/open.c
+++ src/lib9/open.c
{
int cexec, rclose;
int fd, umode, lock, rdwr;
+ struct flock fl;
rdwr = mode&3;
umode = rdwr;
fd = open(name, umode);
if(fd >= 0){
if(lock){
- if(flock(fd, (rdwr==OREAD) ? LOCK_SH : LOCK_EX) < 0){
+ fl.l_type = (rdwr==OREAD) ? F_RDLCK : F_WRLCK;
+ fl.l_whence = SEEK_SET;
+ fl.l_start = 0;
+ fl.l_len = 0;
+ if(fcntl(fd, F_SETLK, &fl) < 0){
close(fd);
return -1;
}