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@bakaburg1
Created November 2, 2021 20:26
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Child Julia process from shiny app do not survive parent process
library(shiny)
print(paste('Inline Julia pID:', sys::exec_background('nohup', c("julia", "-e sleep(3000)"))))
print(paste('Julia script pID:', sys::exec_background('nohup', c("julia", "test.jl", "&"))))
# Define UI for application that draws a histogram
ui <- fluidPage(
# Application title
titlePanel("Old Faithful Geyser Data"),
# Sidebar with a slider input for number of bins
sidebarLayout(
sidebarPanel(
sliderInput("bins",
"Number of bins:",
min = 1,
max = 50,
value = 30)
),
# Show a plot of the generated distribution
mainPanel(
plotOutput("distPlot")
)
)
)
# Define server logic required to draw a histogram
server <- function(input, output) {
output$distPlot <- renderPlot({
# generate bins based on input$bins from ui.R
x <- faithful[, 2]
bins <- seq(min(x), max(x), length.out = input$bins + 1)
# draw the histogram with the specified number of bins
hist(x, breaks = bins, col = 'darkgray', border = 'white')
})
}
# Run the application
shinyApp(ui = ui, server = server)
sleep(3000)
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