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AP_HAL: added take_blocking() method

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this avoids the need to check return result
This commit is contained in:
Andrew Tridgell 2018-05-25 09:33:24 +10:00
parent 49dfccbcee
commit e2ea654b77
1 changed files with 7 additions and 0 deletions
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7
libraries/AP_HAL/Semaphores.h
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@ -8,6 +8,13 @@ class AP_HAL::Semaphore {
public:
virtual bool take(uint32_t timeout_ms) WARN_IF_UNUSED = 0 ;
virtual bool take_nonblocking() WARN_IF_UNUSED = 0;
// a varient that blocks forever
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-result"
virtual void take_blocking() { take(HAL_SEMAPHORE_BLOCK_FOREVER); };
#pragma GCC diagnostic pop
virtual bool give() = 0;
virtual ~Semaphore(void) {}
};