Get us closer to building busybox

This change undefines __linux__ and adds APIs like clock_settime(). The
gosh darned getopt_long() API has been reintroduced, thanks to OpenBSD.
This commit is contained in:
Justine Tunney 2023-06-18 04:02:01 -07:00
parent 5ac522f0de
commit 0409096658
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
52 changed files with 914 additions and 37 deletions

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@ -91,3 +91,17 @@ int cfsetispeed(struct termios *t, uint32_t speed) {
return 0;
}
}
/**
* Sets input and output baud rate.
*
* @param speed can be `B0`, `B50`, `B38400`, `B4000000`, etc.
* @return 0 on success, or -1 w/ errno
* @raise EINVAL if `speed` isn't valid
* @asyncsignalsafe
*/
int cfsetspeed(struct termios *t, uint32_t speed) {
if (cfsetispeed(t, speed) == -1) return -1;
if (cfsetospeed(t, speed) == -1) return -1;
return 0;
}

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@ -0,0 +1,53 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2023 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#include "libc/calls/asan.internal.h"
#include "libc/calls/struct/timespec.h"
#include "libc/calls/struct/timespec.internal.h"
#include "libc/calls/struct/timeval.h"
#include "libc/calls/struct/timeval.internal.h"
#include "libc/dce.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/sysv/consts/clock.h"
#include "libc/sysv/errfuns.h"
/**
* Changes time.
*/
int clock_settime(int clockid, const struct timespec *ts) {
int rc;
struct timeval tv;
if (clockid == 127) {
rc = einval(); // 127 is used by consts.sh to mean unsupported
} else if (!ts || (IsAsan() && !__asan_is_valid_timespec(ts))) {
rc = efault();
} else if (IsXnu()) {
if (clockid == CLOCK_REALTIME) {
tv = timespec_totimeval(*ts);
rc = sys_settimeofday(&tv, 0);
} else {
rc = einval();
}
} else {
rc = sys_clock_settime(clockid, ts);
}
STRACE("clock_settime(%s, %s) → %d% m", DescribeClockName(clockid),
DescribeTimespec(0, ts), rc);
return rc;
}

39
libc/calls/settimeofday.c Normal file
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@ -0,0 +1,39 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2023 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#include "libc/calls/asan.internal.h"
#include "libc/calls/struct/timeval.h"
#include "libc/calls/struct/timeval.internal.h"
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/sysv/errfuns.h"
#include "libc/time/struct/timezone.h"
/**
* Changes time.
*/
int settimeofday(const struct timeval *tv, const struct timezone *tz) {
int rc;
if (!tv || (IsAsan() && !__asan_is_valid_timeval(tv))) {
rc = efault();
} else {
rc = sys_settimeofday(tv, 0);
}
STRACE("settimeofday(%s, %p) → %d% m", DescribeTimeval(0, tv), tz, rc);
return rc;
}

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@ -10,6 +10,7 @@ struct timespec {
int clock_getres(int, struct timespec *);
int clock_gettime(int, struct timespec *);
int clock_settime(int, const struct timespec *);
int clock_nanosleep(int, int, const struct timespec *, struct timespec *);
int futimens(int, const struct timespec[2]);
int nanosleep(const struct timespec *, struct timespec *);

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@ -10,6 +10,7 @@ int __sys_clock_nanosleep(int, int, const struct timespec *, struct timespec *)
int __sys_utimensat(int, const char *, const struct timespec[2], int) _Hide;
int __utimens(int, const char *, const struct timespec[2], int) _Hide;
int sys_clock_getres(int, struct timespec *) _Hide;
int sys_clock_settime(int, const struct timespec *);
int sys_clock_gettime(int, struct timespec *) _Hide;
int sys_clock_gettime_nt(int, struct timespec *) _Hide;
int sys_clock_gettime_m1(int, struct timespec *) _Hide;

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@ -13,6 +13,7 @@ struct timeval {
int futimes(int, const struct timeval[2]);
int futimesat(int, const char *, const struct timeval[2]);
int gettimeofday(struct timeval *, struct timezone *);
int settimeofday(const struct timeval *, const struct timezone *);
int lutimes(const char *, const struct timeval[2]);
int utimes(const char *, const struct timeval[2]);

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@ -7,6 +7,7 @@
COSMOPOLITAN_C_START_
axdx_t sys_gettimeofday(struct timeval *, struct timezone *, void *) _Hide;
int sys_settimeofday(const struct timeval *, const struct timezone *) _Hide;
int sys_futimes(int, const struct timeval *) _Hide;
int sys_lutimes(const char *, const struct timeval *) _Hide;
int sys_utimes(const char *, const struct timeval *) _Hide;

View file

@ -29,8 +29,9 @@ int tcflow(int, int);
int tcflush(int, int);
int tcsendbreak(int, int);
void cfmakeraw(struct termios *);
int cfsetospeed(struct termios *, unsigned);
int cfsetispeed(struct termios *, unsigned);
int cfsetspeed(struct termios *, uint32_t);
int cfsetospeed(struct termios *, uint32_t);
int cfsetispeed(struct termios *, uint32_t);
uint32_t cfgetospeed(const struct termios *);
uint32_t cfgetispeed(const struct termios *);
int tcsetwinsize(int, const struct winsize *);