File: fuchsia_lock_impl.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (18 lines) | stat: -rw-r--r-- 407 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
// RUN: %clang_analyze_cc1 -analyzer-checker=alpha.fuchsia.Lock -verify %s
// expected-no-diagnostics
typedef int spin_lock_t;

void spin_lock(spin_lock_t *lock);
int getCond(void);
int spin_trylock(spin_lock_t *lock) {
    if (getCond())
        return 0;
    return -1;
}
void spin_unlock(spin_lock_t *lock);

spin_lock_t mtx;
void no_crash(void) {
  if (spin_trylock(&mtx) == 0)
    spin_unlock(&mtx);
}