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fix: mmap panic on first create

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源文雨
2023-12-01 02:22:37 +09:00
parent 250ffa01e7
commit 9abfcb2cfa
2 changed files with 7 additions and 3 deletions
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3
file.h
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@@ -31,7 +31,7 @@ int file_cache_init(file_cache_t* fc, char* path) {
perror("pthread_rwlock_init");
return -1;
}
fd = open(path, O_RDWR|O_CREAT);
fd = open(path, O_RDWR|O_CREAT, 0644);
if(fd < 0) {
perror("open");
return -2;
@@ -45,6 +45,7 @@ int file_cache_init(file_cache_t* fc, char* path) {
perror("ftruncate");
return -4;
}
sb.st_size = page_size;
}
mapped = mmap(NULL, (size_t)sb.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
close(fd);