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libs/libc/unistd: Implement pipe2(2) syscall

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See the reference here:
https://www.man7.org/linux/man-pages/man2/pipe2.2.html

Change-Id: Ife19b9bdbde73c7421be381a094da67017819e63
Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an
2020-08-28 18:00:26 +08:00
committed by Xiang Xiao
parent 8f52d4536c
commit 614ac5b0f2
8 changed files with 94 additions and 36 deletions
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syscall/syscall.csv
+1 -1
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@@ -64,7 +64,7 @@
"mq_unlink","mqueue.h","!defined(CONFIG_DISABLE_MQUEUE)","int","FAR const char *"
"munmap","sys/mman.h","defined(CONFIG_FS_RAMMAP)","int","FAR void *","size_t"
"nx_mkfifo","nuttx/drivers/drivers.h","defined(CONFIG_PIPES) && CONFIG_DEV_FIFO_SIZE > 0","int","FAR const char *","mode_t","size_t"
"nx_pipe","nuttx/drivers/drivers.h","defined(CONFIG_PIPES) && CONFIG_DEV_PIPE_SIZE > 0","int","int [2]|FAR int *","size_t"
"nx_pipe","nuttx/drivers/drivers.h","defined(CONFIG_PIPES) && CONFIG_DEV_PIPE_SIZE > 0","int","int [2]|FAR int *","size_t","int"
"nx_task_spawn","nuttx/spawn.h","defined(CONFIG_LIB_SYSCALL) && !defined(CONFIG_BUILD_KERNEL)","int","FAR const struct spawn_syscall_parms_s *"
"nx_vsyslog","nuttx/syslog/syslog.h","","int","int","FAR const IPTR char *","FAR va_list *"
"on_exit","stdlib.h","defined(CONFIG_SCHED_ONEXIT)","int","CODE void (*)(int, FAR void *)","FAR void *"
1 _exit unistd.h void int
64 mq_unlink mqueue.h !defined(CONFIG_DISABLE_MQUEUE) int FAR const char *
65 munmap sys/mman.h defined(CONFIG_FS_RAMMAP) int FAR void *
66 nx_mkfifo nuttx/drivers/drivers.h defined(CONFIG_PIPES) && CONFIG_DEV_FIFO_SIZE > 0 int FAR const char *
67 nx_pipe nuttx/drivers/drivers.h defined(CONFIG_PIPES) && CONFIG_DEV_PIPE_SIZE > 0 int int [2]|FAR int *
68 nx_task_spawn nuttx/spawn.h defined(CONFIG_LIB_SYSCALL) && !defined(CONFIG_BUILD_KERNEL) int FAR const struct spawn_syscall_parms_s *
69 nx_vsyslog nuttx/syslog/syslog.h int int
70 on_exit stdlib.h defined(CONFIG_SCHED_ONEXIT) int CODE void (*)(int, FAR void *)