diff options
Diffstat (limited to 'sysdeps/mach/usleep.c')
| -rw-r--r-- | sysdeps/mach/usleep.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/sysdeps/mach/usleep.c b/sysdeps/mach/usleep.c index 5efed209fe..b687784552 100644 --- a/sysdeps/mach/usleep.c +++ b/sysdeps/mach/usleep.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1993, 1994, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1992, 93, 94, 97, 98 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -19,11 +19,11 @@ #include <errno.h> #include <mach.h> #include <sys/time.h> +#include <unistd.h> /* Sleep USECONDS microseconds, or until a previously set timer goes off. */ -unsigned int -usleep (useconds) - unsigned int useconds; +void +usleep (unsigned int useconds) { mach_port_t recv; struct timeval before, after; @@ -31,13 +31,10 @@ usleep (useconds) recv = __mach_reply_port (); if (__gettimeofday (&before, NULL) < 0) - return useconds; + return; (void) __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT, 0, 0, recv, (useconds + 999) / 1000, MACH_PORT_NULL); __mach_port_destroy (mach_task_self (), recv); if (__gettimeofday (&after, NULL) < 0) - return 0; - - return useconds - (((after.tv_sec - before.tv_sec) * 1000000) + - (after.tv_usec - before.tv_usec)); + return; } |