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db137867 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * unix.c: various unix type functions | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 2005 ircd-ratbox development team | |
7 | * Copyright (C) 2005 Aaron Sethman <androsyn@ratbox.org> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 | |
22 | * USA | |
23 | * | |
24 | * $Id: unix.c 25038 2008-01-23 16:03:08Z androsyn $ | |
25 | */ | |
26 | #include <libratbox_config.h> | |
27 | #include <ratbox_lib.h> | |
28 | ||
29 | #ifndef WINDOWS | |
30 | #if defined(HAVE_SPAWN_H) && defined(HAVE_POSIX_SPAWN) | |
31 | #include <spawn.h> | |
32 | extern char **environ; | |
33 | pid_t | |
34 | rb_spawn_process(const char *path, const char **argv) | |
35 | { | |
36 | pid_t pid; | |
37 | const void *arghack = argv; | |
38 | posix_spawnattr_t spattr; | |
39 | posix_spawnattr_init(&spattr); | |
40 | #ifdef POSIX_SPAWN_USEVFORK | |
41 | posix_spawnattr_setflags(&spattr, POSIX_SPAWN_USEVFORK); | |
42 | #endif | |
43 | if(posix_spawn(&pid, path, NULL, &spattr, arghack, environ)) | |
44 | { | |
45 | return -1; | |
46 | } | |
47 | return pid; | |
48 | } | |
49 | #else | |
50 | pid_t | |
51 | rb_spawn_process(const char *path, const char **argv) | |
52 | { | |
53 | pid_t pid; | |
54 | if(!(pid = vfork())) | |
55 | { | |
56 | execv(path, (const void *)argv); /* make gcc shut up */ | |
57 | _exit(1); /* if we're still here, we're screwed */ | |
58 | } | |
59 | return(pid); | |
60 | } | |
61 | #endif | |
62 | ||
63 | #ifndef HAVE_GETTIMEOFDAY | |
64 | int | |
65 | rb_gettimeofday(struct timeval *tv, void *tz) | |
66 | { | |
67 | if(tv == NULL) | |
68 | { | |
69 | errno = EFAULT; | |
70 | return -1; | |
71 | } | |
72 | tv->tv_usec = 0; | |
73 | if(time(&tv->tv_sec) == -1) | |
74 | return -1; | |
75 | return 0; | |
76 | } | |
77 | #else | |
78 | int | |
79 | rb_gettimeofday(struct timeval *tv, void *tz) | |
80 | { | |
81 | return(gettimeofday(tv, tz)); | |
82 | } | |
83 | #endif | |
84 | ||
85 | void | |
86 | rb_sleep(unsigned int seconds, unsigned int useconds) | |
87 | { | |
88 | #ifdef HAVE_NANOSLEEP | |
89 | struct timespec tv; | |
90 | tv.tv_nsec = (useconds * 1000); | |
91 | tv.tv_sec = seconds; | |
92 | nanosleep(&tv, NULL); | |
93 | #else | |
94 | struct timeval tv; | |
95 | tv.tv_sec = seconds; | |
96 | tv.tv_usec = useconds; | |
97 | select(0, NULL, NULL, NULL, &tv); | |
98 | #endif | |
99 | } | |
100 | #endif /* !WINDOWS */ | |
101 | ||
102 |