PATCH 2.4.21 : make pid of type pid_t

[Walter Harms]

Hi,
some function use int others use long for a pid. The right type is
pid_t (and most functions use it). This fixes some that use something else
than pid_t. The patches are work from daniele bellucci and me.

walter

--- kernel/fork.c.org   2003-06-23 21:48:41.000000000 +0200
+++ kernel/fork.c       2003-06-25 21:14:15.000000000 +0200
@@ -35,7 +35,7 @@
 
 int max_threads;
 unsigned long total_forks;     /* Handle normal Linux uptimes. */
-int last_pid;
+pid_t last_pid;
 
 struct task_struct *pidhash[PIDHASH_SZ];
 
@@ -84,11 +84,11 @@
 /* Protects next_safe and last_pid. */
 spinlock_t lastpid_lock = SPIN_LOCK_UNLOCKED;
 
-static int get_pid(unsigned long flags)
+static pid_t get_pid(unsigned long flags)
 {
-       static int next_safe = PID_MAX;
+       static pid_t next_safe = PID_MAX;
        struct task_struct *p;
-       int pid, beginpid;
+       pid_t pid, beginpid;
 
        if (flags & CLONE_PID)
                return current->pid;
@@ -566,11 +566,11 @@
        p->flags = new_flags;
 }
 
-long kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
+pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 {
        struct task_struct *task = current;
        unsigned old_task_dumpable;
-       long ret;
+       pid_t ret;
 
        /* lock out any potential ptracer */
        task_lock(task);
@@ -600,10 +600,10 @@
  * For an example that's using stack_top, see
  * arch/ia64/kernel/process.c.
  */
-int do_fork(unsigned long clone_flags, unsigned long stack_start,
+pid_t do_fork(unsigned long clone_flags, unsigned long stack_start,
            struct pt_regs *regs, unsigned long stack_size)
 {
-       int retval;
+       pid_t retval;
        struct task_struct *p;
        struct completion vfork;
 

--