SolidSyslog coverage report
Current view: top level - Platform/Posix/Source - SolidSyslogPosixMutex.c (source / functions) Coverage Total Hit
Test: SolidSyslog Lines: 95.7 % 23 22
Test Date: 2026-11-12 23:14:35 Functions: 100.0 % 5 5
Branches: 50.0 % 4 2

             Branch data     Line data    Source code
       1                 :             : /* SPDX-FileCopyrightText: Copyright 2026 Cozens Software Solutions Limited
       2                 :             :  * SPDX-License-Identifier: PolyForm-Noncommercial-1.0.0 OR LicenseRef-PolyForm-Internal-Use-1.0.0 OR LicenseRef-COSOSO-Commercial
       3                 :             :  */
       4                 :             : 
       5                 :             : #include "SolidSyslogPosixMutex.h"
       6                 :             : 
       7                 :             : #include <pthread.h>
       8                 :             : #include <stddef.h>
       9                 :             : 
      10                 :             : #include "SolidSyslogError.h"
      11                 :             : #include "SolidSyslogMutexDefinition.h"
      12                 :             : #include "SolidSyslogNullMutex.h"
      13                 :             : #include "SolidSyslogPosixMutexErrors.h"
      14                 :             : #include "SolidSyslogPosixMutexPrivate.h"
      15                 :             : 
      16                 :             : const struct SolidSyslogErrorSource SolidSyslogPosixMutexErrorSource = {"PosixMutex", SolidSyslogMutexErrors_Name};
      17                 :             : 
      18                 :             : static void PosixMutex_Lock(struct SolidSyslogMutex* base);
      19                 :             : static void PosixMutex_Unlock(struct SolidSyslogMutex* base);
      20                 :             : 
      21                 :             : static inline struct SolidSyslogPosixMutex* PosixMutex_SelfFromBase(struct SolidSyslogMutex* base);
      22                 :             : 
      23                 :          12 : void SolidSyslogPosixMutex_Initialise(struct SolidSyslogMutex* base)
      24                 :             : {
      25                 :          12 :     struct SolidSyslogPosixMutex* self = PosixMutex_SelfFromBase(base);
      26         [ +  - ]:          12 :     if (pthread_mutex_init(&self->Mutex, NULL) == 0)
      27                 :             :     {
      28                 :          12 :         self->Base.Lock = PosixMutex_Lock;
      29                 :          12 :         self->Base.Unlock = PosixMutex_Unlock;
      30                 :             :     }
      31                 :             :     else
      32                 :             :     {
      33                 :             :         /* pthread_mutex_init failed (ENOMEM, EAGAIN). Install the shared
      34                 :             :          * NullMutex vtable so Lock/Unlock are safe no-ops; Cleanup will
      35                 :             :          * see the marker and skip pthread_mutex_destroy on the
      36                 :             :          * uninitialised native handle. */
      37                 :           0 :         *base = *SolidSyslogNullMutex_Get();
      38                 :             :     }
      39                 :          12 : }
      40                 :             : 
      41                 :          12 : void SolidSyslogPosixMutex_Cleanup(struct SolidSyslogMutex* base)
      42                 :             : {
      43                 :          12 :     struct SolidSyslogPosixMutex* self = PosixMutex_SelfFromBase(base);
      44         [ +  - ]:          12 :     if (self->Base.Lock == PosixMutex_Lock)
      45                 :             :     {
      46                 :          12 :         pthread_mutex_destroy(&self->Mutex);
      47                 :             :     }
      48                 :             :     /* Overwrite the abstract base with the shared NullMutex vtable so
      49                 :             :      * use-after-destroy is a safe no-op rather than a NULL-fn-pointer crash. */
      50                 :          12 :     *base = *SolidSyslogNullMutex_Get();
      51                 :          12 : }
      52                 :             : 
      53                 :          30 : static inline struct SolidSyslogPosixMutex* PosixMutex_SelfFromBase(struct SolidSyslogMutex* base)
      54                 :             : {
      55                 :          30 :     return (struct SolidSyslogPosixMutex*) base;
      56                 :             : }
      57                 :             : 
      58                 :           3 : static void PosixMutex_Lock(struct SolidSyslogMutex* base)
      59                 :             : {
      60                 :           3 :     struct SolidSyslogPosixMutex* self = PosixMutex_SelfFromBase(base);
      61                 :           3 :     pthread_mutex_lock(&self->Mutex);
      62                 :           3 : }
      63                 :             : 
      64                 :           3 : static void PosixMutex_Unlock(struct SolidSyslogMutex* base)
      65                 :             : {
      66                 :           3 :     struct SolidSyslogPosixMutex* self = PosixMutex_SelfFromBase(base);
      67                 :           3 :     pthread_mutex_unlock(&self->Mutex);
      68                 :           3 : }
        

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