63 lines
941 B
C
63 lines
941 B
C
#pragma once
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#include <sys/ipc.h>
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#include <sys/msg.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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void
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alloc_pipes(int *pipefd, int flags)
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{
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int ret = pipe2(pipefd, flags);
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if (ret < 0) {
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perror("pipe2");
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exit(-1);
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}
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}
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void
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write_pipe(int fd, char *buf, size_t sz)
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{
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int ret = write(fd, buf, sz);
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if (ret < 0) {
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perror("write(pipes)");
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exit(-1);
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}
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}
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void
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resize_pipe(int fd, size_t nr_slots)
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{
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int ret = fcntl(fd, F_SETPIPE_SZ, nr_slots << 12);
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if (ret < 0) {
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perror("fcntl(fd, F_SETPIPE_SZ, nr_slots << 12)");
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exit(-1);
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}
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}
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int
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write_pipe_no_err(int fd, char *buf, size_t sz)
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{
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int ret = write(fd, buf, sz);
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return ret;
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}
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void
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read_pipe(int fd, char *buf, size_t sz)
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{
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int ret = read(fd, buf, sz);
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if (ret < 0) {
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perror("read(pipes)");
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exit(-1);
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}
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}
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int
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read_pipe_no_err(int fd, char *buf, size_t sz)
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{
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int ret = read(fd, buf, sz);
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return ret;
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}
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