To access shared memory using a semaphore synchronization primitive, select what a process will do under the following conditions:

Group of answer choices

$1.$ Check the semaphore, if semaphore $>0,$ the process $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$[$ Choose $]$can use the resource; then semaphore$-=1$semaphore$+=1$goes to sleep until it becomes $<0$ then wakes up and returns to $1.$goes to sleep until it becomes $>0$ then wakes up and returns to $1.$

$2.$ If semaphore$==0,$ the process$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$[$ Choose $]$can use the resource; then semaphore$-=1$semaphore$+=1$goes to sleep until it becomes $<0$ then wakes up and returns to $1.$goes to sleep until it becomes $>0$ then wakes up and returns to $1.$

$3.$ If a process is done with the resource $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$[$ Choose $]$can use the resource; then semaphore$-=1$semaphore$+=1$goes to sleep until it becomes $<0$ then wakes up and returns to $1.$goes to sleep until it becomes $>0$ then wakes up and returns to $1.$