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vm/os-unix.cpp: set pipe file descriptors to close on exec

release
Slava Pestov 2010-09-15 22:20:24 -07:00
parent c447ca5427
commit 5378f2a0c7
1 changed files with 14 additions and 14 deletions
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28
vm/os-unix.cpp
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@ -324,28 +324,28 @@ void *stdin_loop(void *arg)
return NULL; return NULL;
} }
void open_console() void safe_pipe(int *in, int *out)
{ {
int filedes[2]; int filedes[2];
if(pipe(filedes) < 0) if(pipe(filedes) < 0)
fatal_error("Error opening control pipe",errno); fatal_error("Error opening pipe",errno);
control_read = filedes[0]; *in = filedes[0];
control_write = filedes[1]; *out = filedes[1];
if(pipe(filedes) < 0) if(fcntl(*in,F_SETFD,FD_CLOEXEC) < 0)
fatal_error("Error opening size pipe",errno); fatal_error("Error with fcntl",errno);
size_read = filedes[0]; if(fcntl(*out,F_SETFD,FD_CLOEXEC) < 0)
size_write = filedes[1]; fatal_error("Error with fcntl",errno);
}
if(pipe(filedes) < 0)
fatal_error("Error opening stdin pipe",errno);
stdin_read = filedes[0];
stdin_write = filedes[1];
void open_console()
{
safe_pipe(&control_read,&control_write);
safe_pipe(&size_read,&size_write);
safe_pipe(&stdin_read,&stdin_write);
start_thread(stdin_loop,NULL); start_thread(stdin_loop,NULL);
} }