Merge pull request #720 from xushiwei/q

c/pthread: nogc
This commit is contained in:
xushiwei
2024-08-15 20:53:16 +08:00
committed by GitHub
7 changed files with 116 additions and 64 deletions

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@@ -1,9 +0,0 @@
#include <pthread.h>
int llgoPthreadCreate(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *), void *arg) {
return pthread_create(thread, attr, start_routine, arg);
}
int llgoPthreadJoin(pthread_t thread, void **retval) {
return pthread_join(thread, retval);
}

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@@ -35,56 +35,6 @@ type aThread struct {
// Thread represents a POSIX thread.
type Thread = *aThread
// The pthread_create() function starts a new thread in the calling
// process. The new thread starts execution by invoking
// start_routine(); arg is passed as the sole argument of
// start_routine().
//
// The new thread terminates in one of the following ways:
//
// - It calls pthread_exit(3), specifying an exit status value that
// is available to another thread in the same process that calls
// pthread_join(3).
//
// - It returns from start_routine(). This is equivalent to
// calling pthread_exit(3) with the value supplied in the return
// statement.
//
// - It is canceled (see pthread_cancel(3)).
//
// - Any of the threads in the process calls exit(3), or the main
// thread performs a return from main(). This causes the
// termination of all threads in the process.
//
// On success, pthread_create() returns 0; on error, it returns an
// error number, and the contents of *thread are undefined.
//
// See https://man7.org/linux/man-pages/man3/pthread_create.3.html
//
//go:linkname Create C.llgoPthreadCreate
func Create(pthread *Thread, attr *Attr, routine func(c.Pointer) c.Pointer, arg c.Pointer) c.Int
// The pthread_join() function waits for the thread specified by
// thread to terminate. If that thread has already terminated, then
// pthread_join() returns immediately. The thread specified by
// thread must be joinable.
//
// If retval is not NULL, then pthread_join() copies the exit status
// of the target thread (i.e., the value that the target thread
// supplied to pthread_exit(3)) into the location pointed to by
// retval. If the target thread was canceled, then PTHREAD_CANCELED
// is placed in the location pointed to by retval.
//
// If multiple threads simultaneously try to join with the same
// thread, the results are undefined. If the thread calling
// pthread_join() is canceled, then the target thread will remain
// joinable (i.e., it will not be detached).
//
// See https://man7.org/linux/man-pages/man3/pthread_join.3.html
//
//go:linkname Join C.llgoPthreadJoin
func Join(thread Thread, retval *c.Pointer) c.Int
// The pthread_exit() function terminates the calling thread and
// returns a value via retval that (if the thread is joinable) is
// available to another thread in the same process that calls

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@@ -19,7 +19,63 @@
package pthread
import (
_ "unsafe"
"github.com/goplus/llgo/c"
)
const (
LLGoFiles = "$(pkg-config --cflags bdw-gc): _pthread/pthread_gc.c"
LLGoFiles = "$(pkg-config --cflags bdw-gc): _wrap/pthread_gc.c"
LLGoPackage = "link: $(pkg-config --libs bdw-gc); -lgc"
)
// The pthread_create() function starts a new thread in the calling
// process. The new thread starts execution by invoking
// start_routine(); arg is passed as the sole argument of
// start_routine().
//
// The new thread terminates in one of the following ways:
//
// - It calls pthread_exit(3), specifying an exit status value that
// is available to another thread in the same process that calls
// pthread_join(3).
//
// - It returns from start_routine(). This is equivalent to
// calling pthread_exit(3) with the value supplied in the return
// statement.
//
// - It is canceled (see pthread_cancel(3)).
//
// - Any of the threads in the process calls exit(3), or the main
// thread performs a return from main(). This causes the
// termination of all threads in the process.
//
// On success, pthread_create() returns 0; on error, it returns an
// error number, and the contents of *thread are undefined.
//
// See https://man7.org/linux/man-pages/man3/pthread_create.3.html
//
//go:linkname Create C.llgoPthreadCreate
func Create(pthread *Thread, attr *Attr, routine func(c.Pointer) c.Pointer, arg c.Pointer) c.Int
// The pthread_join() function waits for the thread specified by
// thread to terminate. If that thread has already terminated, then
// pthread_join() returns immediately. The thread specified by
// thread must be joinable.
//
// If retval is not NULL, then pthread_join() copies the exit status
// of the target thread (i.e., the value that the target thread
// supplied to pthread_exit(3)) into the location pointed to by
// retval. If the target thread was canceled, then PTHREAD_CANCELED
// is placed in the location pointed to by retval.
//
// If multiple threads simultaneously try to join with the same
// thread, the results are undefined. If the thread calling
// pthread_join() is canceled, then the target thread will remain
// joinable (i.e., it will not be detached).
//
// See https://man7.org/linux/man-pages/man3/pthread_join.3.html
//
//go:linkname Join C.llgoPthreadJoin
func Join(thread Thread, retval *c.Pointer) c.Int

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@@ -19,7 +19,62 @@
package pthread
const (
LLGoFiles = "_pthread/pthread_nogc.c"
LLGoPackage = "link"
import (
_ "unsafe"
"github.com/goplus/llgo/c"
)
const (
LLGoPackage = "decl"
)
// The pthread_create() function starts a new thread in the calling
// process. The new thread starts execution by invoking
// start_routine(); arg is passed as the sole argument of
// start_routine().
//
// The new thread terminates in one of the following ways:
//
// - It calls pthread_exit(3), specifying an exit status value that
// is available to another thread in the same process that calls
// pthread_join(3).
//
// - It returns from start_routine(). This is equivalent to
// calling pthread_exit(3) with the value supplied in the return
// statement.
//
// - It is canceled (see pthread_cancel(3)).
//
// - Any of the threads in the process calls exit(3), or the main
// thread performs a return from main(). This causes the
// termination of all threads in the process.
//
// On success, pthread_create() returns 0; on error, it returns an
// error number, and the contents of *thread are undefined.
//
// See https://man7.org/linux/man-pages/man3/pthread_create.3.html
//
//go:linkname Create C.pthread_create
func Create(pthread *Thread, attr *Attr, routine func(c.Pointer) c.Pointer, arg c.Pointer) c.Int
// The pthread_join() function waits for the thread specified by
// thread to terminate. If that thread has already terminated, then
// pthread_join() returns immediately. The thread specified by
// thread must be joinable.
//
// If retval is not NULL, then pthread_join() copies the exit status
// of the target thread (i.e., the value that the target thread
// supplied to pthread_exit(3)) into the location pointed to by
// retval. If the target thread was canceled, then PTHREAD_CANCELED
// is placed in the location pointed to by retval.
//
// If multiple threads simultaneously try to join with the same
// thread, the results are undefined. If the thread calling
// pthread_join() is canceled, then the target thread will remain
// joinable (i.e., it will not be detached).
//
// See https://man7.org/linux/man-pages/man3/pthread_join.3.html
//
//go:linkname Join C.pthread_join
func Join(thread Thread, retval *c.Pointer) c.Int

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@@ -27,7 +27,7 @@ import (
)
const (
LLGoFiles = "_pthd/pthd.c"
LLGoFiles = "_wrap/pthd.c"
LLGoPackage = "link"
)