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Implement raise() with getcontext() / setcontext()

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Justine Tunney 2023-11-05 17:52:30 -08:00
parent dd83db9567
commit 736fdb757a
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12 changed files with 73 additions and 97 deletions
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6
libc/calls/getcontext.S
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@ -20,12 +20,6 @@
// Gets machine state.
//
// This function goes 14x slower if sigaction() has ever been used to
// install a signal handling function. If you don't care about signal
// safety and just want fast fibers, then you may override the global
// variable `__interruptible` to disable the sigprocmask() calls, for
// pure userspace context switching.
//
// @return 0 on success, or -1 w/ errno
// @see makecontext()
// @see swapcontext()