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sched/task: Correct the comment about environment variable

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-04-20 21:45:45 +08:00 committed by Petro Karashchenko
parent be95e76910
commit ce49c80976
2 changed files with 4 additions and 9 deletions
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10
sched/task/task_posixspawn.c
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@ -276,12 +276,8 @@ static int nxposix_spawn_proxy(int argc, FAR char *argv[])
* array of pointers to null-terminated strings. The list is terminated
* with a null pointer.
*
* envp - The envp[] argument is not used by NuttX and may be NULL. In
* standard implementations, envp[] is an array of character pointers to
* null-terminated strings that provide the environment for the new
* process image. The environment array is terminated by a null pointer.
* In NuttX, the envp[] argument is ignored and the new task will simply
* inherit the environment of the parent task.
* envp - envp[] is an array of character pointers to null-terminated
* strings that provide the environment for the new process image.
*
* Returned Value:
* posix_spawn() and posix_spawnp() will return zero on success.
@ -297,8 +293,6 @@ static int nxposix_spawn_proxy(int argc, FAR char *argv[])
* depending upon the setting of CONFIG_LIBC_ENVPATH: If
* CONFIG_LIBC_ENVPATH is defined, then only posix_spawnp() behavior
* is supported; otherwise, only posix_spawn behavior is supported.
* - The 'envp' argument is not used and the 'environ' variable is not
* altered (NuttX does not support the 'environ' variable).
* - Process groups are not supported (POSIX_SPAWN_SETPGROUP).
* - Effective user IDs are not supported (POSIX_SPAWN_RESETIDS).
* - Signal default actions cannot be modified in the newly task executed

3
sched/task/task_spawn.c
View File

@ -292,7 +292,8 @@ static int nxtask_spawn_proxy(int argc, FAR char *argv[])
* array of pointers to null-terminated strings. The list is terminated
* with a null pointer.
*
* envp - The envp[] argument is not used by NuttX and may be NULL.
* envp - envp[] is an array of character pointers to null-terminated
* strings that provide the environment for the new process image.
*
* Returned Value:
* task_spawn() will return process ID of new task on success.