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!628 fix: 共享内存问题修复 

Merge pull request !628 from Harylee/shm
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openharmony_ci 2021-09-24 00:31:51 +00:00 committed by Gitee
parent 93e74c5f0b 9fdb80f85f
commit 1150f86d46
1 changed files with 1 additions and 1 deletions
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kernel/base/vm/shm.c
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@ -304,7 +304,7 @@ STATIC struct shmIDSource *ShmFindSeg(int shmid)
} }
seg = &g_shmSegs[shmid]; seg = &g_shmSegs[shmid];
if ((seg->status & SHM_SEG_FREE) || (seg->status & SHM_SEG_REMOVE)) { if ((seg->status & SHM_SEG_FREE) || ((seg->ds.shm_nattch == 0) && (seg->status & SHM_SEG_REMOVE))) {
set_errno(EIDRM); set_errno(EIDRM);
return NULL; return NULL;
} }