ndhc/sys.h

// Copyright 2010-2020 Nicholas J. Kain <njkain at gmail dot com>
// SPDX-License-Identifier: MIT
#ifndef SYS_H_
#define SYS_H_

#include "ndhc-defines.h"

static inline size_t min_size_t(size_t a, size_t b)
{
    return a < b ? a : b;
}

#define curms() IMPL_curms(__func__)
long long IMPL_curms(const char *parent_function);

void setup_signals_subprocess(void);

#endif
Relicense as MIT. It's a lot more common than BSD 2-clause it is both compatible and nearly identical in effect. 2022-02-07 06:35:29 +05:30			`// Copyright 2010-2020 Nicholas J. Kain <njkain at gmail dot com>`
			`// SPDX-License-Identifier: MIT`
Move background() to sys.[ch]. 2010-12-24 20:17:09 +05:30			`#ifndef SYS_H_`
			`#define SYS_H_`

			`#include "ndhc-defines.h"`

Make ndhc RFC6842-compliant. All this entails is that ndhc needs to check to make sure that if the remote server sends a dhcp packet with a client identifier, the client identifier of that packet matches the client identifier that ndhc uses to identify itself. If the remote server does not attach a client identifier to its dhcp packets, then the behavior of ndhc does not change. 2014-03-18 12:43:51 +05:30			`static inline size_t min_size_t(size_t a, size_t b)`
			`{`
			`return a < b ? a : b;`
			`}`

Handle possible clock_gettime() errors in curms(). Use curms() instead of new clock_gettime() call points, too. 2017-02-24 19:21:36 +05:30			`#define curms() IMPL_curms(__func__)`
			`long long IMPL_curms(const char *parent_function);`
Move background() to sys.[ch]. 2010-12-24 20:17:09 +05:30
Stop using signalfd and audit signal handling code. There's really no advantage to using signalfd in ndhc, particularly since the normal POSIX signal API is now used for handling SIGCHLD in ndhc-master. So just use the tried and true volatile sig_atomic_t set and check approach. The only intended behavior change is in the dhcp RELEASE state -- before there would be a spurious attempt at renewing a nonexistent lease when the RENEW signal was received. 2020-10-20 13:53:55 +05:30			`void setup_signals_subprocess(void);`
Make the signal handling code use safe_read() and unify ifchd and sockd signals code. 2014-04-16 06:25:13 +05:30
Relicense as MIT. It's a lot more common than BSD 2-clause it is both compatible and nearly identical in effect. 2022-02-07 06:35:29 +05:30			`#endif`
Make the signal handling code use safe_read() and unify ifchd and sockd signals code. 2014-04-16 06:25:13 +05:30