15263807472

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once

#include "forward.h"

int flush_fd(int fd);

ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll);
int loop_read_exact(int fd, void *buf, size_t nbytes, bool do_poll);

int loop_write_full(int fd, const void *buf, size_t nbytes, usec_t timeout) _nonnull_if_nonzero_(2, 3);
static inline int loop_write(int fd, const void *buf, size_t nbytes) {
        return loop_write_full(fd, buf, nbytes, 0);
}

int pipe_eof(int fd);

int ppoll_usec_full(struct pollfd *fds, size_t nfds, usec_t timeout, const sigset_t *ss) _nonnull_if_nonzero_(1, 2);
_nonnull_if_nonzero_(1, 2) static inline int ppoll_usec(struct pollfd *fds, size_t nfds, usec_t timeout) {
        return ppoll_usec_full(fds, nfds, timeout, NULL);
}

int fd_wait_for_event(int fd, int event, usec_t timeout);

ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length);

static inline bool FILE_SIZE_VALID(uint64_t l) {
        /* ftruncate() and friends take an unsigned file size, but actually cannot deal with file sizes larger than
         * 2^63 since the kernel internally handles it as signed value. This call allows checking for this early. */

        return (l >> 63) == 0;
}

static inline bool FILE_SIZE_VALID_OR_INFINITY(uint64_t l) {

        /* Same as above, but allows one extra value: -1 as indication for infinity. */

        if (l == UINT64_MAX)
                return true;

        return FILE_SIZE_VALID(l);
}

1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
2	#pragma once
3
4	#include "forward.h"
5
6	int flush_fd(int fd);
7
8	ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll);
9	int loop_read_exact(int fd, void *buf, size_t nbytes, bool do_poll);
10
11	int loop_write_full(int fd, const void *buf, size_t nbytes, usec_t timeout) _nonnull_if_nonzero_(2, 3);
12	static inline int loop_write(int fd, const void *buf, size_t nbytes) {	40,259✔
13	return loop_write_full(fd, buf, nbytes, 0);	40,259✔
14	}
15
16	int pipe_eof(int fd);
17
18	int ppoll_usec_full(struct pollfd fds, size_t nfds, usec_t timeout, const sigset_t ss) _nonnull_if_nonzero_(1, 2);
19	_nonnull_if_nonzero_(1, 2) static inline int ppoll_usec(struct pollfd *fds, size_t nfds, usec_t timeout) {	365,583✔
20	return ppoll_usec_full(fds, nfds, timeout, NULL);	365,583✔
21	}
22
23	int fd_wait_for_event(int fd, int event, usec_t timeout);
24
25	ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length);
26
27	static inline bool FILE_SIZE_VALID(uint64_t l) {	84✔
28	/* ftruncate() and friends take an unsigned file size, but actually cannot deal with file sizes larger than
29	* 2^63 since the kernel internally handles it as signed value. This call allows checking for this early. */
30
31	return (l >> 63) == 0;	84✔
32	}
33
UNCOV 34	static inline bool FILE_SIZE_VALID_OR_INFINITY(uint64_t l) {	×
35
36	/* Same as above, but allows one extra value: -1 as indication for infinity. */
37
UNCOV 38	if (l == UINT64_MAX)	×
39	return true;
40
41	return FILE_SIZE_VALID(l);	×
42	}

systemd / systemd / 15263807472

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