87 lines
1.7 KiB
C
87 lines
1.7 KiB
C
#include <magenta/object.h>
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#include <magenta/bootstrap.h>
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#include <magenta/errors.h>
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#include <unistd.h>
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#include <errno.h>
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#include <mio/fs.h>
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int open(const char *pathname, int flags, ...)
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{
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int ret = mio_open(pathname, flags);
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if (ret < 0) {
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__set_errno(-ret);
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return -1;
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}
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__set_errno(0);
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return ret;
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}
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int openat(int dirfd, const char *pathname, int flags, ...)
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{
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int ret = mio_openat(dirfd, pathname, flags);
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if (ret < 0) {
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__set_errno(-ret);
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return -1;
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}
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__set_errno(0);
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return ret;
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}
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ssize_t read(int fd, void *buf, size_t count)
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{
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ssize_t ret = mio_read(fd, buf, count);
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if (ret < 0) {
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__set_errno(-(int)ret);
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return -1;
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}
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__set_errno(0);
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return ret;
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}
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ssize_t write(int fd, const void *buf, size_t count)
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{
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ssize_t ret = mio_write(fd, buf, count);
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if (ret < 0) {
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__set_errno(-(int)ret);
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return -1;
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}
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__set_errno(0);
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return ret;
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}
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int close(int fd)
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{
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int ret = mio_close(fd);
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if (ret < 0) {
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__set_errno(-ret);
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return -1;
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}
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__set_errno(0);
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return ret;
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}
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pid_t getpid(void)
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{
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mx_info_task_t task_info;
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mx_status_t status = mx_object_get_info(
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mx_bootstrap_handle_get(MX_B_TASK_SELF),
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MX_INFO_TASK,
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&task_info, sizeof task_info);
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return status == MX_OK ? task_info.leader_id : (pid_t)-1;
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}
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pid_t gettid(void)
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{
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mx_info_task_t task_info;
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mx_status_t status = mx_object_get_info(
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mx_bootstrap_handle_get(MX_B_TASK_SELF),
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MX_INFO_TASK,
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&task_info, sizeof task_info);
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return status == MX_OK ? task_info.id : (pid_t)-1;
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}
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