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00053 #ifndef _SYS_ATOM_H_
00054 #error "Do not include this file directly. Use sys/atom.h instead!"
00055 #endif
00056
00057 __BEGIN_DECLS
00058 #include <pthread.h>
00059 #include <signal.h>
00060 #include <sys/thread.h>
00061 #include <stdio.h>
00062 #include <stdlib.h>
00063
00064 extern u_short main_cs_level;
00065 extern sigset_t irq_signal;
00066 extern pthread_cond_t irq_cv;
00067 extern u_short int_disabled;
00068
00069 extern FILE *__os_trs;
00070 extern u_char __os_trf;
00071
00072 #define AtomicInc(p) (++(*p))
00073 #define AtomicDec(p) (--(*p))
00074
00075 extern void NutExitCritical(void);
00076 extern void NutEnterCritical(void);
00077
00078
00079
00080
00081
00082 #ifndef CRITSECT_TRACE
00083 #define NutEnterCritical() \
00084 pthread_sigmask(SIG_BLOCK, &irq_signal, 0); \
00085 int_disabled = 1; \
00086 if (runningThread) { \
00087 runningThread->td_cs_level++; \
00088 } else { \
00089 main_cs_level++; \
00090 } \
00091 pthread_sigmask(SIG_UNBLOCK, &irq_signal, 0);
00092
00093
00094 #define NutExitCritical() \
00095 pthread_sigmask(SIG_BLOCK, &irq_signal, 0); \
00096 if (runningThread) { \
00097 if (--runningThread->td_cs_level == 0) { \
00098 int_disabled = 0; \
00099 pthread_cond_signal(&irq_cv); \
00100 } \
00101 } else { \
00102 if (--main_cs_level == 0) { \
00103 int_disabled = 0; \
00104 pthread_cond_signal(&irq_cv); \
00105 } \
00106 } \
00107 pthread_sigmask(SIG_UNBLOCK, &irq_signal, 0);
00108
00109 #else
00110
00111 #define NutEnterCritical() \
00112 pthread_sigmask(SIG_BLOCK, &irq_signal, 0); \
00113 int_disabled = 1; \
00114 if (runningThread) { \
00115 if (runningThread->td_cs_level==0) \
00116 printf("Entered a: %s.%d - %s\n", __FILE__, __LINE__, runningThread->td_name); \
00117 runningThread->td_cs_level++; \
00118 } else { \
00119 if (main_cs_level==0) \
00120 printf("Entered b: %s.%d - %s\n", __FILE__, __LINE__, "ROOT"); \
00121 main_cs_level++; \
00122 } \
00123 pthread_sigmask(SIG_UNBLOCK, &irq_signal, 0);
00124
00125 #define NutExitCritical() \
00126 pthread_sigmask(SIG_BLOCK, &irq_signal, 0); \
00127 if (runningThread) { \
00128 if (--runningThread->td_cs_level == 0) { \
00129 int_disabled = 0; \
00130 printf("Left a: %s.%d - %s\n", __FILE__, __LINE__, runningThread->td_name); \
00131 pthread_cond_signal(&irq_cv); \
00132 } \
00133 } else { \
00134 if (--main_cs_level == 0) { \
00135 int_disabled = 0; \
00136 printf("Left a: %s.%d - %s\n", __FILE__, __LINE__, "ROOT"); \
00137 pthread_cond_signal(&irq_cv); \
00138 } \
00139 } \
00140 pthread_sigmask(SIG_UNBLOCK, &irq_signal, 0);
00141 #endif
00142
00143 #define NutJumpOutCritical() NutExitCritical()
00144
00145 __END_DECLS