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PRThread
syntax #include <prthread.h> typedef struct prthread prthread; description in nspr, a thread is represented by a pointer to an opaque structure of type prthread.
... a prthread* is the successful result of creating a new thread.
PRThreadScope
syntax #include <prthread.h> typedef enum prthreadscope { pr_local_thread, pr_global_thread pr_global_bound_thread } prthreadscope; enumerators pr_local_thread a local thread, scheduled locally by nspr within the process.
... pr_global_bound_thread a global bound (kernel) thread, scheduled by the host os description an enumerator of type prthreadscope specifies how a thread is scheduled: either locally by nspr within the process (a local thread) or globally by the host (a global thread).
PRThreadPriority
syntax #include <prthread.h> typedef enum prthreadpriority { pr_priority_first = 0, pr_priority_low = 0, pr_priority_normal = 1, pr_priority_high = 2, pr_priority_urgent = 3, pr_priority_last = 3 } prthreadpriority; enumerators pr_priority_first placeholder.
PRThreadPrivateDTOR
syntax #include <prthread.h> typedef void (pr_callback *prthreadprivatedtor)(void *priv); description until the data associated with an index is actually set with a call to pr_setthreadprivate, the value of the data is null.
PRThreadState
syntax #include <prthread.h> typedef enum prthreadstate { pr_joinable_thread, pr_unjoinable_thread } prthreadstate; enumerators pr_unjoinable_thread thread termination happens implicitly when the thread returns from the root function.
PRThreadType
syntax #include <prthread.h> typedef enum prthreadtype { pr_user_thread, pr_system_thread } prthreadtype; enumerators pr_user_thread pr_cleanup blocks until the last thread of type pr_user_thread terminates.
nsIThreadManager
last changed in gecko 1.9 (firefox 3) inherits from: nsisupports method overview nsithread getthreadfromprthread(in prthread prthread); native code only!
...if the calling thread does not already have a nsithread associated with it, one is created and associate with the current prthread.
... methods native code only!getthreadfromprthread given a prthread, this method returns the corresponding nsithread.
...And 4 more matches
PR_AttachThread
associates a prthread object with an existing native thread.
... syntax #include <pprthread.h> prthread* pr_attachthread( prthreadtype type, prthreadpriority priority, prthreadstack *stack); parameters pr_attachthread has the following parameters: type specifies that the thread is either a user thread (pr_user_thread) or a system thread (pr_system_thread).
... returns the function returns one of these values: if successful, a pointer to a prthread object.
...pr_attachthread informs nspr about the new thread by associating a prthread object with the native thread.
Threads
to an nspr client, a thread is represented by a pointer to an opaque structure of type prthread.
... threading types and constants prthread prthreadtype prthreadscope prthreadstate prthreadpriority prthreadprivatedtor threading functions most of the functions described here accept a pointer to the thread as an argument.
... pr_attachthread associates a prthread object with an existing native thread.
... pr_detachthread disassociates a prthread object from a native thread.
Using IO Timeout And Interrupt On NT - Archive of obsolete content
when a thread calls an io function, the thread issues an overlapped io request using the overlapped buffer in its <tt>prthread</tt> structure.
...the os still has a pointer to the overlapped buffer in the thread's <tt>prthread</tt> structure.
... if the thread subsequently exists and its <tt>prthread</tt> structure gets deleted, the pointer to the overlapped buffer will be pointing to freed memory.
Introduction to NSPR
to an nspr client, a thread is represented by a pointer to an opaque structure of type prthread.
...(prthread and functions for creating and manipulating threads are described in detail in threads.) nspr threads are lightweight in the sense that they are cheaper than full-blown processes, but they are not free.
... to interrupt a thread, the caller of pr_interrupt must have the nspr reference to the target thread (prthread*).
PR_NewThreadPrivateIndex
syntax #include <prthread.h> prstatus pr_newthreadprivateindex( pruintn *newindex, prthreadprivatedtor destructor); parameters pr_newthreadprivateindex has the following parameters: newindex on output, an index that is valid for all threads in the process.
... destructor specifies a destructor function prthreadprivatedtor for the private data associated with the index.
... when you allocate the index, you may also register a destructor function of type prthreadprivatedtor.
NSS Sample Code Sample_3_Basic Encryption and MACing
sample code 3 /* nspr headers */ #include <prthread.h> #include <plgetopt.h> #include <prerror.h> #include <prinit.h> #include <prlog.h> #include <prtypes.h> #include <plstr.h> /* nss headers */ #include <keyhi.h> #include <pk11priv.h> /* our samples utilities */ #include "util.h" #define buffersize 80 #define digestsize 16 #define ptext_mac_buffer_size 96 #define ciphersize 96 #define blocksize 32 #define cipher_header "-----begin cipher-----" #define cipher_trailer "-----end cipher-----" #define enckey_header "-----begin aeskey ckaid-----" #define enckey_trailer "-----end aeskey ckaid-----" #defi...
...*/ /* nspr headers */ #include <prthread.h> #include <plgetopt.h> #include <prerror.h> #include <prinit.h> #include <prlog.h> #include <prtypes.h> #include <plstr.h> /* * gather a cka_id */ secstatus gathercka_id(pk11symkey* key, secitem* buf) { secstatus rv = pk11_readrawattribute(pk11_typesymkey, key, cka_id, buf); if (rv != secsuccess) { pr_fprintf(pr_stderr, "pk11_readrawattribute returned (%d)\n", rv); pr...
... pr_fprintf(pr_stderr, "decryptfile : failed\n"); return secfailure; } break; } cleanup: rvshutdown = nss_shutdown(); if (rvshutdown != secsuccess) { pr_fprintf(pr_stderr, "failed : nss_shutdown()\n"); rv = secfailure; } pr_cleanup(); return rv; } </plstr.h></prtypes.h></prlog.h></prinit.h></prerror.h></plgetopt.h></prthread.h></opfilename></ipfilename></ipfilename></ipfilename></ipfilename></ipfilename></opfilename></ipfilename></noisefilename></dbpwdfile></dbpwd></dbdirpath></a|b></opfilename></ipfilename></dbpwdfile></dbpwd></noisefilename></dbdirpath></a|b></pk11priv.h></keyhi.h></plstr.h></prtypes.h></prlog.h></prinit.h></prerror.h></plgetopt.h></prthread.h> ...
nss tech note2
to enable this mode, set: nspr_log_modules=nss_mod_log:1 nspr_log_file=<logfile> the output format is: osthreadid[nsprthreadid]: c_xxx osthreadid[nsprthreadid]: rv = 0xyyyyyyyy for example, 1024[805ef10]: c_initialize 1024[805ef10]: rv = 0x0 1024[805ef10]: c_getinfo 1024[805ef10]: rv = 0x0 1024[805ef10]: c_getslotlist 1024[805ef10]: rv = 0x0 2.
...to enable this mode, set: nspr_log_modules=nss_mod_log:3 nspr_log_file=<logfile> the output format is: osthreadid[nsprthreadid]: c_xxx osthreadid[nsprthreadid]: arg1 = 0xaaaaaaaa ...
... osthreadid[nsprthreadid]: argn = 0xaaaaaaaa osthreadid[nsprthreadid]: rv = 0xyyyyyyyy for example, 1024[805ef10]: c_initialize 1024[805ef10]: pinitargs = 0x4010c938 1024[805ef10]: rv = 0x0 1024[805ef10]: c_getinfo 1024[805ef10]: pinfo = 0xbffff340 1024[805ef10]: rv = 0x0 1024[805ef10]: c_getslotlist 1024[805ef10]: tokenpresent = 0x0 1024[805ef10]: pslotlist = 0x0 1024[805ef10]: pulcount = 0xbffff33c 1024[805ef10]: *pulcount = 0x2 1024[805ef10]: rv = 0x0 note that when a pkcs #11 function takes a pointer argument for which it will set a value (c_getslotlist above), this mode will display the value upon return.
nsIToolkit
inherits from: nsisupports last changed in gecko 1.0 method overview void init(in prthread athread); methods init() initialize this toolkit with athread.
... void init( in prthread athread ); parameters athread the thread passed in runs the message pump.
... see also prthread ...
PR_AttachThread
the opaque prthreadstack structure is only used in the third argument "prthreadstack *stack" to the pr_attachthread function.
... syntax #include <prthread.h> typedef struct prthreadstack prthreadstack; ...
PR_CreateThreadPool
syntax #include <prtpool.h> nspr_api(prthreadpool *) pr_createthreadpool( print32 initial_threads, print32 max_threads, pruint32 stacksize ); parameters the function has the following parameters: initial_threads the number of threads to be created within this thread pool.
... returns pointer to a prthreadpool structure or null on error.
PR_DetachThread
disassociates a prthread object from a native thread.
... syntax #include <pprthread.h> void pr_detachthread(void); parameters pr_detachthread has no parameters.
NSS Sample Code Sample_2_Initialization of NSS
sample code 1 /* nspr headers */ #include <prthread.h> #include <plgetopt.h> #include <prprf.h> /* nss headers */ #include <nss.h> #include <pk11func.h> #include "util.h" /* print a usage message and exit */ static void usage(const char *progname) { fprintf(stderr, "\nusage: %s -d <dbdirpath> [-p <plainpasswc>]" " [-f <passwdffile>]\n\n", progname); fprintf(stderr, "%-15s specify a db directory path\n\n", "-d <dbdirpath>"); fprintf(stderr, "%-15s specify a plaintext password\n\n", "-p <plainpasswc>"); fprintf(stderr, "%-15s specify a password file\n\n", ...
...ange password\n"); } if (slot) { pk11_freeslot(slot); } rvshutdown = nss_shutdown(); if (rvshutdown != secsuccess) { pr_fprintf(pr_stderr, "failed : nss_shutdown()\n"); rv = secfailure; } pr_cleanup(); return rv; } </plainpasswc></plainpasswc></dbdirpath></passwdffile></plainpasswc></dbdirpath></pk11func.h></nss.h></prprf.h></plgetopt.h></prthread.h> ...
sample2
*/ /* nspr headers */ #include <prthread.h> #include <plgetopt.h> #include <prerror.h> #include <prinit.h> #include <prlog.h> #include <prtypes.h> #include <plstr.h> /* nss headers */ #include <cryptohi.h> #include <keyhi.h> #include <pk11priv.h> #include <cert.h> #include <base64.h> #include <secerr.h> #include <secport.h> #include <secoid.h> #include <secmodt.h> #include <secoidt.h> #include <sechash.h> /* our samples utilities */ #include "util.h" /* constants */ #define blocksize 32 #define modblocksize 128 #define default_key_bits 1024 /* header file constants */ #define enckey_head...
...me></ipfilename></headerfilename></headerfilename></nickname></serialnumber></issuernickname></csr></cert></trust></nickname></csr></subject></noisefilename></dbpwdfile></dbpwd></dbdirpath></g|a|h|e|ds|v></sechash.h></secoidt.h></secmodt.h></secoid.h></secport.h></secerr.h></base64.h></cert.h></pk11priv.h></keyhi.h></cryptohi.h></plstr.h></prtypes.h></prlog.h></prinit.h></prerror.h></plgetopt.h></prthread.h> ...
Using addresses of stack variables with NSPR threads on win16 - Archive of obsolete content
t demonstration of the problem is as follows: typedef struct shareddata { prlock *ml; prcondvar *cv; print32 counter; } shareddata; static void forkedthread(void *arg) { shareddata *shared = (shareddata*)arg; while (--shared->counter > 0) pr_waitcondvar(shared->cv, pr_interval_no_timeout); return; } /* forkedthread */ printn main(printn argc, char **argv) { prthread *thread; shareddata shared; shared.ml = pr_newlock(); shared.cv = pr_newcondvar(shared.ml); shared.counter = 10; thread = pr_createthread( pr_user_thread, forkedthread, &shared, pr_priority_normal, pr_local_thread, pr_joinable_thread, 0); do { pr_sleep(pr_secondstointerval(1)); pr_lock(shared.ml); if (0 == shared.counter) break;...
NSPR Types
here are some simple examples of the use of these types: in dowhim.h: pr_extern( void ) dowhatimean( void ); static void pr_callback rootfunction(void *arg); in dowhim.c: pr_implement( void ) dowhatimean( void ) { return; }; prthread *thread = pr_createthread(..., rootfunction, ...); algebraic types nspr provides the following type definitions with unambiguous bit widths for algebraic operations: 8-, 16-, and 32-bit integer types 64-bit integer types floating-point number type for convenience, nspr also provides type definitions with platform-dependent bit widths: native os integer types 8-, 16-, and 32-bit in...
PR_ClearInterrupt
syntax #include <prthread.h> void pr_clearinterrupt(void); description interrupting is a cooperative process, so it's possible that the thread passed to pr_interrupt may never respond to the interrupt request.
PR_CreateThread
syntax #include <prthread.h> prthread* pr_createthread( prthreadtype type, void (*start)(void *arg), void *arg, prthreadpriority priority, prthreadscope scope, prthreadstate state, pruint32 stacksize); parameters pr_createthread has the following parameters: type specifies that the thread is either a user thread (pr_user_thread) or a system thread (pr_system_thread).
PR_GetCurrentThread
syntax #include <prthread.h> prthread* pr_getcurrentthread(void); returns always returns a valid reference to the calling thread--a self-identity.
PR_GetThreadPriority
syntax #include <prthread.h> prthreadpriority pr_getthreadpriority(prthread *thread); parameter pr_getthreadpriority has the following parameter: thread a valid identifier for the thread whose priority you want to know.
PR_GetThreadPrivate
syntax #include <prthread.h> void* pr_getthreadprivate(pruintn index); parameter pr_getthreadprivate has the following parameters: index the index into the per-thread private data table.
PR_GetThreadScope
syntax #include <prthread.h> prthreadscope pr_getthreadscope(void); returns a value of type prthreadscope indicating whether the thread is local or global.
PR_Init
syntax #include <prinit.h> void pr_init( prthreadtype type, prthreadpriority priority, pruintn maxptds); parameters pr_init has the following parameters: type this parameter is ignored.
PR_Interrupt
syntax #include <prthread.h> prstatus pr_interrupt(prthread *thread); parameter pr_interrupt has the following parameter: thread the thread whose interrupt request you want to set.
PR_JoinThread
syntax #include <prthread.h> prstatus pr_jointhread(prthread *thread); parameter pr_jointhread has the following parameter: thread a valid identifier for the thread that is to be joined.
PR_JoinThreadPool
syntax #include <prtpool.h> nspr_api(prstatus) pr_jointhreadpool( prthreadpool *tpool ); parameter the function has the following parameter: tpool a pointer to a prthreadpool structure previously created by a call to pr_createthreadpool.
PR_QueueJob
syntax #include <prtpool.h> nspr_api(prjob *) pr_queuejob( prthreadpool *tpool, prjobfn fn, void *arg, prbool joinable ); parameters the function has the following parameters: tpool a pointer to a prthreadpool structure previously created by a call to pr_createthreadpool.
PR_QueueJob_Accept
syntax #include <prtpool.h> nspr_api(prjob *) pr_queuejob_accept( prthreadpool *tpool, prjobiodesc *iod, prjobfn fn, void *arg, prbool joinable ); parameters the function has the following parameters: tpool a pointer to a prthreadpool structure previously created by a call to pr_createthreadpool.
PR_QueueJob_Connect
syntax #include <prtpool.h> nspr_api(prjob *) pr_queuejob_connect( prthreadpool *tpool, prjobiodesc *iod, const prnetaddr *addr, prjobfn fn, void * arg, prbool joinable ); parameters the function has the following parameters: tpool a pointer to a prthreadpool structure previously created by a call to pr_createthreadpool.
PR_QueueJob_Read
syntax #include <prtpool.h> nspr_api(prjob *) pr_queuejob_read( prthreadpool *tpool, prjobiodesc *iod, prjobfn fn, void *arg, prbool joinable ); parameters the function has the following parameters: tpool a pointer to a prthreadpool structure previously created by a call to pr_createthreadpool.
PR_QueueJob_Timer
syntax #include <prtpool.h> nspr_api(prjob *) pr_queuejob_timer( prthreadpool *tpool, printervaltime timeout, prjobfn fn, void * arg, prbool joinable ); parameters the function has the following parameters: tpool a pointer to a prthreadpool structure previously created by a call to pr_createthreadpool.
PR_QueueJob_Write
syntax #include <prtpool.h> nspr_api(prjob *) pr_queuejob_write( prthreadpool *tpool, prjobiodesc *iod, prjobfn fn, void *arg, prbool joinable ); parameters the function has the following parameters: tpool a pointer to a prthreadpool structure previously created by a call to pr_createthreadpool.
PR_SetThreadPriority
syntax #include <prthread.h> void pr_setthreadpriority( prthread *thread, prthreadpriority priority); parameters pr_setthreadpriority has the following parameters: thread a valid identifier for the thread whose priority you want to set.
PR_SetThreadPrivate
syntax #include <prthread.h> prstatus pr_setthreadprivate(pruintn index, void *priv); parameters pr_setthreadprivate has the following parameters: index an index into the per-thread private data table.
PR_ShutdownThreadPool
syntax #include <prtpool.h> nspr_api(prstatus) pr_shutdownthreadpool( prthreadpool *tpool ); parameter the function has the following parameter: tpool a pointer to a prthreadpool structure previously created by a call to pr_createthreadpool.
PR_Sleep
syntax #include <prthread.h> prstatus pr_sleep(printervaltime ticks); parameter pr_sleep has the following parameter: ticks the number of ticks you want the thread to sleep for (see printervaltime).
Thread Pools
thread pool types thread pool functions thread pool types prjobiodesc prjobfn prthreadpool prjob thread pool functions pr_createthreadpool pr_queuejob pr_queuejob_read pr_queuejob_write pr_queuejob_accept pr_queuejob_connect pr_queuejob_timer pr_canceljob pr_joinjob pr_shutdownthreadpool pr_jointhreadpool ...
Enc Dec MAC Using Key Wrap CertReq PKCS10 CSR
*/ /* nspr headers */ #include <prthread.h> #include <plgetopt.h> #include <prerror.h> #include <prinit.h> #include <prlog.h> #include <prtypes.h> #include <plstr.h> /* nss headers */ #include <keyhi.h> #include <pk11priv.h> /* our samples utilities */ #include "util.h" /* constants */ #define blocksize 32 #define modblocksize 128 #define default_key_bits 1024 /* header file constants */ #defin...
nsIThread
last changed in gecko 1.9 (firefox 3) inherits from: nsieventtarget method overview void shutdown() boolean haspendingevents() boolean processnextevent(in boolean maywait) attributes attribute type description prthread prthread the nspr thread object corresponding to the nsithread.