49d1a4c562
also start prefering NtDll API. so far: * NtQueryInformationFile * NtClose adds a performance workaround for windows unicode conversion. but that should probably be removed before merging
39 lines
891 B
C
Vendored
39 lines
891 B
C
Vendored
#include "stdio_impl.h"
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#include <stdlib.h>
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static void dummy(FILE *f) { }
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weak_alias(dummy, __unlist_locked_file);
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int fclose(FILE *f)
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{
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int r;
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FLOCK(f);
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r = fflush(f);
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r |= f->close(f);
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FUNLOCK(f);
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/* Past this point, f is closed and any further explict access
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* to it is undefined. However, it still exists as an entry in
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* the open file list and possibly in the thread's locked files
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* list, if it was closed while explicitly locked. Functions
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* which process these lists must tolerate dead FILE objects
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* (which necessarily have inactive buffer pointers) without
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* producing any side effects. */
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if (f->flags & F_PERM) return r;
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__unlist_locked_file(f);
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FILE **head = __ofl_lock();
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if (f->prev) f->prev->next = f->next;
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if (f->next) f->next->prev = f->prev;
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if (*head == f) *head = f->next;
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__ofl_unlock();
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free(f->getln_buf);
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free(f);
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return r;
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}
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