Linux Manuals session 3

mq_send, mq_timedsend – send a message to a message queue Synopsis#include <mqueue.h> int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned int msg_prio); #include <time.h> #include <mqueue.h> int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout);Link with -lrt. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): mq_timedsend(): _POSIX_C_SOURCE >= 200112LDescriptionmq_send() adds…

mq_receive, mq_timedreceive – receive a message from a message queue Synopsis#include <mqueue.h> ssize_t mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len, unsigned int *msg_prio); #include <time.h> #include <mqueue.h> ssize_t mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len, unsigned int *msg_prio, const struct timespec *abs_timeout);Link with -lrt. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): mq_timedreceive(): _POSIX_C_SOURCE >= 200112LDescriptionmq_receive() removes the oldest…

mq_getattr, mq_setattr – get/set message queue attributes Synopsis#include <mqueue.h> int mq_getattr(mqd_t mqdes, struct mq_attr *attr); int mq_setattr(mqd_t mqdes, const struct mq_attr *newattr, struct mq_attr *oldattr);Link with -lrt. Descriptionmq_getattr() and mq_setattr() respectively retrieve and modify attributes of the message queue referred to by the message queue descriptor mqdes. mq_getattr() returns an mq_attr structure in the buffer…

mq_send, mq_timedsend – send a message to a message queue Synopsis#include <mqueue.h> int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned int msg_prio); #include <time.h> #include <mqueue.h> int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout);Link with -lrt. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): mq_timedsend(): _POSIX_C_SOURCE >= 200112LDescriptionmq_send() adds…

mq_receive, mq_timedreceive – receive a message from a message queue Synopsis#include <mqueue.h> ssize_t mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len, unsigned int *msg_prio); #include <time.h> #include <mqueue.h> ssize_t mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len, unsigned int *msg_prio, const struct timespec *abs_timeout);Link with -lrt. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): mq_timedreceive(): _POSIX_C_SOURCE >= 200112LDescriptionmq_receive() removes the oldest…

mq_open – open a message queue Synopsis#include <fcntl.h> /* For O_* constants */ #include <sys/stat.h> /* For mode constants */ #include <mqueue.h> mqd_t mq_open(const char *name, int oflag); mqd_t mq_open(const char *name, int oflag, mode_t mode, struct mq_attr *attr);Link with -lrt. Descriptionmq_open() creates a new POSIX message queue or opens an existing queue. The queue…

mq_notify – register for notification when a message is available Synopsis#include <mqueue.h> int mq_notify(mqd_t mqdes, const struct sigevent *sevp);Link with -lrt. Descriptionmq_notify() allows the calling process to register or unregister for delivery of an asynchronous notification when a new message arrives on the empty message queue referred to by the message queue descriptor mqdes. The…

mq_getattr, mq_setattr – get/set message queue attributes Synopsis#include <mqueue.h> int mq_getattr(mqd_t mqdes, struct mq_attr *attr); int mq_setattr(mqd_t mqdes, const struct mq_attr *newattr, struct mq_attr *oldattr);Link with -lrt. Descriptionmq_getattr() and mq_setattr() respectively retrieve and modify attributes of the message queue referred to by the message queue descriptor mqdes. mq_getattr() returns an mq_attr structure in the buffer…

mq_close – close a message queue descriptor Synopsis#include <mqueue.h> int mq_close(mqd_t mqdes);Link with -lrt. Descriptionmq_close() closes the message queue descriptor mqdes. If the calling process has attached a notification request (see (mq_notify(3)) to this message queue via mqdes, then this request is removed, and another process can now attach a notification request. Return ValueOn success…

mcheck, mcheck_check_all, mcheck_pedantic, mprobe – heap consistency checking Synopsis#include <mcheck.h> int mcheck(void (*abortfunc)(enum mcheck_status mstatus)); int mcheck_pedantic(void (*abortfunc)(enum mcheck_status mstatus)); void mcheck_check_all(void); enum mcheck_status mprobe(void *ptr);DescriptionThe mcheck() function installs a set of debugging hooks for the malloc(3) family of memory-allocation functions. These hooks cause certain consistency checks to be performed on the state of the…

mpool – shared memory buffer pool Synopsis#include <db.h> #include <mpool.h> MPOOL *mpool_open(DBT *key, int fd, pgno_t pagesize, pgno_t maxcache); void mpool_filter(MPOOL *mp, void (*pgin)(void *, pgno_t, void *), void (*pgout)(void *, pgno_t, void *), void *pgcookie); void *mpool_new(MPOOL *mp, pgno_t *pgnoaddr); void *mpool_get(MPOOL *mp, pgno_t pgno, unsigned int flags); int mpool_put(MPOOL *mp, void *pgaddr, unsigned…

mpath_persistent_reserve_out Synopsis#include <mpath_persist.h> int mpath_persistent_reserve_out (int fd, int rq_servact, struct prin_resp *resp, int noisy, int verbose) DescriptionThe function in the mpath_persistent_reserve_out() sends PR OUT command to the DM device and gets the response. Parameters: fd The file descriptor of a multipath device. Input argument. rq_servact PROUT command service action. Input argument rq_scope Persistent reservation scope….

mpath_persistent_reserve_in Synopsis#include <mpath_persist.h> int mpath_persistent_reserve_in (int fd, int rq_servact, struct prin_resp *resp, int noisy, int verbose) DescriptionThe function in the mpath_persistent_reserve_in() sends PRIN command to the DM device and gets the response. Parameters: fd The file descriptor of a multipath device. Input argument. rq_servact PRIN command service action. Input argument resp The response from PRIN…

QuantLib::TermStructure – Basic term-structure functionality. Synopsis#include <ql/termstructure.hpp> Inherits QuantLib::Observer, QuantLib::Observable, and QuantLib::Extrapolator. Inherited by CallableBondVolatilityStructure, CommodityCurve, DefaultProbabilityTermStructure, InflationTermStructure, VolatilityTermStructure, and YieldTermStructure. Public Member FunctionsConstructors There are three ways in which a term structure can keep track of its reference date. The first is that such date is fixed; the second is that it is determined…

mouse_x, mouse_y, mouse_z, mouse_w, mouse_b, mouse_pos – Global variable with the mouse position/button state. Allegro game programming library. Synopsis#include <allegro.h> extern volatile int mouse_x; extern volatile int mouse_y; extern volatile int mouse_z; extern volatile int mouse_w; extern volatile int mouse_b; extern volatile int mouse_pos; DescriptionGlobal variables containing the current mouse position and button state. Wherever…

mouse_sprite, mouse_x_focus, mouse_y_focus – Global variable with the mouse sprite and focus point. Allegro game programming library. Synopsis#include <allegro.h> extern BITMAP *mouse_sprite; extern int mouse_x_focus; extern int mouse_y_focus; DescriptionGlobal variables containing the current mouse sprite and the focus point. These are read-only, and only to be modified using the set_mouse_sprite() and set_mouse_sprite_focus() functions. See Alsoset_mouse_sprite(3),…

mouse_x, mouse_y, mouse_z, mouse_w, mouse_b, mouse_pos – Global variable with the mouse position/button state. Allegro game programming library. Synopsis#include <allegro.h> extern volatile int mouse_x; extern volatile int mouse_y; extern volatile int mouse_z; extern volatile int mouse_w; extern volatile int mouse_b; extern volatile int mouse_pos; DescriptionGlobal variables containing the current mouse position and button state. Wherever…

mouse_sprite, mouse_x_focus, mouse_y_focus – Global variable with the mouse sprite and focus point. Allegro game programming library. Synopsis#include <allegro.h> extern BITMAP *mouse_sprite; extern int mouse_x_focus; extern int mouse_y_focus; DescriptionGlobal variables containing the current mouse sprite and the focus point. These are read-only, and only to be modified using the set_mouse_sprite() and set_mouse_sprite_focus() functions. See Alsoset_mouse_sprite(3),…

mouse_x, mouse_y, mouse_z, mouse_w, mouse_b, mouse_pos – Global variable with the mouse position/button state. Allegro game programming library. Synopsis#include <allegro.h> extern volatile int mouse_x; extern volatile int mouse_y; extern volatile int mouse_z; extern volatile int mouse_w; extern volatile int mouse_b; extern volatile int mouse_pos; DescriptionGlobal variables containing the current mouse position and button state. Wherever…

mouse_x, mouse_y, mouse_z, mouse_w, mouse_b, mouse_pos – Global variable with the mouse position/button state. Allegro game programming library. Synopsis#include <allegro.h> extern volatile int mouse_x; extern volatile int mouse_y; extern volatile int mouse_z; extern volatile int mouse_w; extern volatile int mouse_b; extern volatile int mouse_pos; DescriptionGlobal variables containing the current mouse position and button state. Wherever…