[ipoib] Avoid unnecessary path record lookup for broadcast address
[ipxe.git] / src / include / unistd.h
1 #ifndef _UNISTD_H
2 #define _UNISTD_H
3
4 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
5
6 #include <stddef.h>
7 #include <stdarg.h>
8
9 extern int execv ( const char *command, char * const argv[] );
10
11 /**
12 * Execute command
13 *
14 * @v command Command name
15 * @v arg ... Argument list (starting with argv[0])
16 * @ret rc Command exit status
17 *
18 * This is a front end to execv().
19 */
20 #define execl( command, arg, ... ) ( { \
21 char * const argv[] = { (arg), ## __VA_ARGS__ }; \
22 int rc = execv ( (command), argv ); \
23 rc; \
24 } )
25
26 /* Pick up udelay() */
27 #include <ipxe/timer.h>
28
29 /*
30 * sleep() prototype is defined by POSIX.1. usleep() prototype is
31 * defined by 4.3BSD. udelay() and mdelay() prototypes are chosen to
32 * be reasonably sensible.
33 *
34 */
35
36 extern unsigned int sleep ( unsigned int seconds );
37 extern void mdelay ( unsigned long msecs );
38
39 static inline __always_inline void usleep ( unsigned long usecs ) {
40 udelay ( usecs );
41 }
42
43 #endif /* _UNISTD_H */