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https://salsa.debian.org/ha-team/libqb
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668eb0a2d5
Also make sure the pipe is non blocking. Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/*
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* Copyright (C) 2010 Red Hat, Inc.
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*
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* Author: Angus Salkeld <asalkeld@redhat.com>
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*
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* libqb is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* libqb is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libqb. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QB_UTIL_INT_H_DEFINED
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#define QB_UTIL_INT_H_DEFINED
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#include <syslog.h>
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#define qb_util_log(severity, args...) \
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do { \
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_qb_util_log (__FILE__, __LINE__, severity, ##args); \
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} while(0)
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void _qb_util_log(const char *file_name,
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int32_t file_line,
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int32_t severity,
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const char *format,
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...) __attribute__ ((format(printf, 4, 5)));
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/**
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* Create a file to be used to back shared memory.
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*
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* @param path (out) the final absolute path of the file.
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* @param file (in) the name of the file to be used.
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* @param bytes the size to truncate the file to.
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* @param file_flags same as passed into open()
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* @return 0 (success) or -errno
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*/
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int32_t qb_util_mmap_file_open(char *path, const char *file, size_t bytes,
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uint32_t file_flags);
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/**
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* Create a shared mamory circular buffer.
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*
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* @param fd an open file to use to back the shared memory.
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* @param buf (out) the pointer to the start of the memory.
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* @param bytes the size of the shared memory.
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* @return 0 (success) or -errno
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*/
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int32_t qb_util_circular_mmap(int32_t fd, void **buf, size_t bytes);
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/**
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* Set O_NONBLOCK and FD_CLOEXEC on a file descriptor.
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* @param fd the file descriptor.
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* @return 0 (success) or -errno
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*/
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int32_t qb_util_fd_nonblock_cloexec_set(int32_t fd);
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#endif /* QB_UTIL_INT_H_DEFINED */
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