Last change
on this file since 417 was 398, checked in by coas-nagasima, 5 years ago |
mbedTLS版Azure IoT Hub接続サンプルのソースコードを追加
|
-
Property svn:eol-style
set to
native
-
Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
|
File size:
531 bytes
|
Rev | Line | |
---|
[398] | 1 | #include <sys/eventfd.h>
|
---|
| 2 | #include <unistd.h>
|
---|
| 3 | #include <errno.h>
|
---|
| 4 | #include "syscall.h"
|
---|
| 5 |
|
---|
| 6 | int eventfd(unsigned int count, int flags)
|
---|
| 7 | {
|
---|
| 8 | int r = __syscall(SYS_eventfd2, count, flags);
|
---|
| 9 | #ifdef SYS_eventfd
|
---|
| 10 | if (r==-ENOSYS && !flags) r = __syscall(SYS_eventfd, count);
|
---|
| 11 | #endif
|
---|
| 12 | return __syscall_ret(r);
|
---|
| 13 | }
|
---|
| 14 |
|
---|
| 15 | int eventfd_read(int fd, eventfd_t *value)
|
---|
| 16 | {
|
---|
| 17 | return (sizeof(*value) == read(fd, value, sizeof(*value))) ? 0 : -1;
|
---|
| 18 | }
|
---|
| 19 |
|
---|
| 20 | int eventfd_write(int fd, eventfd_t value)
|
---|
| 21 | {
|
---|
| 22 | return (sizeof(value) == write(fd, &value, sizeof(value))) ? 0 : -1;
|
---|
| 23 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.