Changeset b60a22c in mainline


Ignore:
Timestamp:
2005-06-16T18:47:50Z (19 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
992bbb97
Parents:
87cd61f
Message:

Replace confusing comment in scheduler.c.

Add warning/explanatory comment to arch.h saying that CPU, THREAD and TASK macros are preemption-unsafe.

Files:
2 edited

Legend:

Unmodified
Added
Removed

  • include/arch.h

    r87cd61f rb60a22c  
    3636#include <arch/cpu.h>
    3737
     38/*
     39 * NOTE:
     40 * CPU, THREAD and TASK are not preemption-safe.
     41 * Provisions must be made to prevent preemption prior
     42 * to using these macros. Simple cpu_priority_high()
     43 * call will suffice.
     44 */
    3845#define CPU             (&cpus[CPU_ID_ARCH])
    3946#define THREAD          (cpu_private_data[CPU_ID_ARCH].thread)

  • src/proc/scheduler.c

    r87cd61f rb60a22c  
    4848
    4949
    50 /** Initialize context switching
    51  *
    52  * Initialize context switching and lazy FPU
    53  * context switching.
     50/** Take actions before new thread runs
     51 *
     52 * Perform actions that need to be
     53 * taken before the newly selected
     54 * tread is passed control.
    5455 *
    5556 */
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