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sys/type.h: Change pid_t from int16_t to int

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to fix the following warning:
include/unistd.h:302:9: error: incompatible redeclaration of library function 'vfork' [-Werror,-Wincompatible-library-redeclaration]
pid_t   vfork(void);
        ^
include/unistd.h:302:9: note: 'vfork' is a builtin with type 'int (void)'

and change 32768 to INT_MAX to match the type change

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-03-20 18:12:26 +08:00 committed by Petro Karashchenko
parent 85550ee340
commit 0f2f48f8ba
2 changed files with 8 additions and 8 deletions
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12
fs/procfs/fs_procfsproc.c
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@ -1445,11 +1445,11 @@ static int proc_open(FAR struct file *filep, FAR const char *relpath,
ptr++;
/* A valid PID would be in the range of 0-32767 (0 is reserved for the
/* A valid PID would be in the range of 0-INT_MAX (0 is reserved for the
* IDLE thread).
*/
if (tmp >= 32768)
if (tmp > INT_MAX)
{
ferr("ERROR: Invalid PID %ld\n", tmp);
return -ENOENT;
@ -1701,11 +1701,11 @@ static int proc_opendir(FAR const char *relpath, FAR struct fs_dirent_s *dir)
return -ENOENT;
}
/* A valid PID would be in the range of 0-32767 (0 is reserved for the
/* A valid PID would be in the range of 0-INT_MAX (0 is reserved for the
* IDLE thread).
*/
if (tmp >= 32768)
if (tmp > INT_MAX)
{
ferr("ERROR: Invalid PID %ld\n", tmp);
return -ENOENT;
@ -1947,11 +1947,11 @@ static int proc_stat(const char *relpath, struct stat *buf)
return -ENOENT;
}
/* A valid PID would be in the range of 0-32767 (0 is reserved for the
/* A valid PID would be in the range of 0-INT_MAX (0 is reserved for the
* IDLE thread).
*/
if (tmp >= 32768)
if (tmp > INT_MAX)
{
ferr("ERROR: Invalid PID %ld\n", tmp);
return -ENOENT;

4
include/sys/types.h
View File

@ -145,13 +145,13 @@ typedef uint16_t nlink_t;
* because negative PID values are used to represent invalid PIDs.
*/
typedef int16_t pid_t;
typedef int pid_t;
/* id_t is a general identifier that can be used to contain at least a pid_t,
* uid_t, or gid_t.
*/
typedef int16_t id_t;
typedef int id_t;
/* Unix requires a key of type key_t defined in file sys/types.h for
* requesting resources such as shared memory segments, message queues and