efe0323d35
waist slightly more memory, but prevents problem when fifo cannot be allocated later during a job run when memory resource is exhausted. This commit was SVN r14119.
28 строки
714 B
C
28 строки
714 B
C
#ifndef MCA_BTL_SM_FIFO_H
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#define MCA_BTL_SM_FIFO_H
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#include "btl_sm.h"
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#include "btl_sm_endpoint.h"
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#define MCA_BTL_SM_FIFO_WRITE(endpoint_peer, my_smp_rank,peer_smp_rank,hdr,rc) \
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do { \
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ompi_fifo_t* fifo; \
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fifo=&(mca_btl_sm_component.fifo[peer_smp_rank][my_smp_rank]); \
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\
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/* thread lock */ \
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if(opal_using_threads()) \
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opal_atomic_lock(fifo->head_lock); \
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/* post fragment */ \
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while(ompi_fifo_write_to_head(hdr, fifo, \
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mca_btl_sm_component.sm_mpool) != OMPI_SUCCESS) \
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opal_progress(); \
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MCA_BTL_SM_SIGNAL_PEER(endpoint_peer); \
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rc=OMPI_SUCCESS; \
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if(opal_using_threads()) \
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opal_atomic_unlock(fifo->head_lock); \
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} while(0)
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#endif
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