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[PATCH] uml: move libc-dependent utility procedures

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The serial UML OS-abstraction layer patch (um/kernel dir).

This moves all systemcalls from user_util.c file under os-Linux dir

Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Gennady Sharapov
2006-01-18 17:42:41 -08:00
committed by Linus Torvalds
parent 12919aa6e0
commit 4fef0c10fa
11 changed files with 72 additions and 87 deletions
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48
arch/um/os-Linux/tt.c
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@@ -63,6 +63,54 @@ void kill_child_dead(int pid)
} while(1);
}
void stop(void)
{
while(1) sleep(1000000);
}
int wait_for_stop(int pid, int sig, int cont_type, void *relay)
{
sigset_t *relay_signals = relay;
int status, ret;
while(1){
CATCH_EINTR(ret = waitpid(pid, &status, WUNTRACED));
if((ret < 0) ||
!WIFSTOPPED(status) || (WSTOPSIG(status) != sig)){
if(ret < 0){
printk("wait failed, errno = %d\n",
errno);
}
else if(WIFEXITED(status))
printk("process %d exited with status %d\n",
pid, WEXITSTATUS(status));
else if(WIFSIGNALED(status))
printk("process %d exited with signal %d\n",
pid, WTERMSIG(status));
else if((WSTOPSIG(status) == SIGVTALRM) ||
(WSTOPSIG(status) == SIGALRM) ||
(WSTOPSIG(status) == SIGIO) ||
(WSTOPSIG(status) == SIGPROF) ||
(WSTOPSIG(status) == SIGCHLD) ||
(WSTOPSIG(status) == SIGWINCH) ||
(WSTOPSIG(status) == SIGINT)){
ptrace(cont_type, pid, 0, WSTOPSIG(status));
continue;
}
else if((relay_signals != NULL) &&
sigismember(relay_signals, WSTOPSIG(status))){
ptrace(cont_type, pid, 0, WSTOPSIG(status));
continue;
}
else printk("process %d stopped with signal %d\n",
pid, WSTOPSIG(status));
panic("wait_for_stop failed to wait for %d to stop "
"with %d\n", pid, sig);
}
return(status);
}
}
/*
*-------------------------
* only for tt mode (will be deleted in future...)