543bbcb9ab
This prevents the warning, "implicit declaration of function raise", in programs that call raise(). I forgot to declare it because the function raise() is in libc but the declaration goes in libsys.
137 lines
2.5 KiB
C
137 lines
2.5 KiB
C
#ifndef _UNISTD_H
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#define _UNISTD_H
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#include <sys/types.h>
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/*
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* XXX - The following parts belong in other header files,
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* but those headers are including us!
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*/
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/* XXX - begin sys/ioctl.h */
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#define TIOCGETD 0x4004741a
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int ioctl(int, unsigned long, ...);
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/* XXX - end sys/ioctl.h */
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/* XXX - begin sys/time.h */
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/* Don't conflict with time_t from <time.h> */
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typedef long _libsys_time_t;
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typedef int suseconds_t;
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struct timespec {
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_libsys_time_t tv_sec;
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long tv_nsec;
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};
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struct timeval {
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_libsys_time_t tv_sec;
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suseconds_t tv_usec;
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};
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struct timezone {
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int tz_minuteswest;
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int tz_dsttime;
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};
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int gettimeofday(struct timeval *, struct timezone *);
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/* XXX - end sys/time.h */
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/* XXX - begin fcntl.h */
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/* flags for open() */
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#define O_RDONLY 0x0000
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#define O_WRONLY 0x0001
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#define O_RDWR 0x0002
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#define O_NONBLOCK 0x0004
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#define O_APPEND 0x0008
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#define O_CREAT 0x0200
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#define O_TRUNC 0x0400
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#define O_EXCL 0x0800
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int creat(const char *, mode_t);
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int open(const char *, int, ...);
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/* XXX - end fcntl.h */
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/* XXX - begin signal.h */
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGEMT 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGBUS 10
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#define SIGSEGV 11
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#define SIGSYS 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGURG 16
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#define SIGSTOP 17
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#define SIGTSTP 18
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#define SIGCONT 19
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#define SIGCHLD 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGIO 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGINFO 29
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#define SIGUSR1 30
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#define SIGUSR2 31
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#define _NSIG 32
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/* sa_flags */
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#define SA_RESTART 0x0002
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typedef void (*sig_t)(int);
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#define SIG_DFL ((sig_t)0)
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#define SIG_IGN ((sig_t)1)
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#define SIG_ERR ((sig_t)-1)
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typedef unsigned int sigset_t;
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struct __siginfo;
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struct sigaction {
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union {
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void (*__sa_handler)(int);
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void (*__sa_sigaction)(int, struct __siginfo *, void *);
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} __sigaction_u;
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sigset_t sa_mask;
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int sa_flags;
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};
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#define sa_handler __sigaction_u.__sa_handler
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#define sa_sigaction __sigaction_u.__sa_sigaction
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int kill(pid_t, int);
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int sigaction(int, const struct sigaction *, struct sigaction *);
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sig_t signal(int, sig_t);
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int raise(int); /* in libc */
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/* XXX - end signal.h */
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void _exit(int);
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int brk(void *);
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int close(int);
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pid_t getpid(void);
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int isatty(int);
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off_t lseek(int, off_t, int);
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ssize_t read(int, void *, size_t);
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void *sbrk(int);
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ssize_t write(int, const void *, size_t);
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#endif
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