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added safe_length option for portability and clarity

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w1redch4d
2025-04-10 19:44:54 +05:30
parent 3c8016e071
commit b9c1536283
1 changed files with 3 additions and 2 deletions
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5
include/android-ashmem.h
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@ -30,8 +30,9 @@ int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf) {
int ret = 0;
if (__cmd == IPC_RMID) {
unsigned int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
struct ashmem_pin pin = {0, length};
int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
unsigned int safe_length = length >= 0 ? length : 0;
struct ashmem_pin pin = {0, safe_length};
ret = ioctl(__shmid, ASHMEM_UNPIN, &pin);
close(__shmid);