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process: transfer TIDs in bulk and reuse them locally

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This commit is contained in:
Balazs Gerofi
2016-08-02 16:59:04 +09:00
parent dac6f2883e
commit 6aae35cb3d
5 changed files with 122 additions and 9 deletions
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10
kernel/include/process.h
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@ -348,6 +348,11 @@ struct sig_pending {
typedef void pgio_func_t(void *arg);
struct mcexec_tid {
int tid;
struct thread *thread;
};
/* Represents a node in the process fork tree, it may exist even after the
* corresponding process exited due to references from the parent and/or
* children and is used for implementing wait/waitpid without having a
@ -362,6 +367,9 @@ struct process {
// threads and children
struct list_head threads_list;
mcs_rwlock_lock_t threads_lock; // lock for threads_list
/* TID set of proxy process */
struct mcexec_tid *tids;
int nr_tids;
/* The ptracing process behave as the parent of the ptraced process
after using PTRACE_ATTACH except getppid. So we save it here. */
@ -678,5 +686,7 @@ void chain_thread(struct thread *);
void proc_init();
void set_timer();
struct sig_pending *hassigpending(struct thread *thread);
void settid(struct thread *thread, int mode, int newcpuid, int oldcpuid,
int nr_tids, int *tids);
#endif