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src/cmd/cgo/doc.go
When using cgo, Go must not assume that it owns all details of the process. In particular it needs to coordinate with C in the use of threads and thread-local storage. The runtime package declares a few variables: var ( iscgo bool _cgo_init unsafe.Pointer _cgo_thread_start unsafe.Pointer ) Any package using cgo imports "runtime/cgo", which provides
Go - Registered: Tue Apr 30 11:13:12 GMT 2024 - Last Modified: Sun Mar 31 09:02:45 GMT 2024 - 42.1K bytes - Viewed (0) -
src/builtin/builtin.go
// Pointer to array: the number of elements in *v (even if v is nil). // Slice, or map: the number of elements in v; if v is nil, len(v) is zero. // String: the number of bytes in v. // Channel: the number of elements queued (unread) in the channel buffer; // if v is nil, len(v) is zero. // // For some arguments, such as a string literal or a simple array expression, the
Go - Registered: Tue Apr 30 11:13:12 GMT 2024 - Last Modified: Thu Apr 11 20:22:45 GMT 2024 - 12.7K bytes - Viewed (0) -
doc/go_mem.html
*p += i </pre> <p> If <code>i</code> and <code>*p</code> start equal to 2, the original code does <code>*p = 3</code>, so a racing thread can read only 2 or 3 from <code>*p</code>. The rewritten code does <code>*p = 1</code> and then <code>*p = 3</code>, allowing a racing thread to read 1 as well. </p> <p> Note that all these optimizations are permitted in C/C++ compilers:
HTML - Registered: Tue May 07 11:14:38 GMT 2024 - Last Modified: Mon Mar 04 15:54:42 GMT 2024 - 26.6K bytes - Viewed (0)